The following discussion contains forward-looking statements that are subject to
risks and uncertainties. Actual results may differ materially from those
contemplated by the forward-looking statements as a result of certain factors,
including but not limited to those listed in "Item 1A - Risk Factors" and in the
"Cautionary Statement Regarding Forward-Looking Statements" notice on page 1.
Introduction
As a financial holding company, we generate most of our revenue from interest on
loans and investments, trust fees, gain on sale of mortgage loans and service
charges. Our primary source of funding for our loans and investments are
deposits held by our bank subsidiary, First Financial Bank, N.A. Our largest
expenses are salaries and related employee benefits. We measure our performance
by calculating our return on average assets, return on average equity,
regulatory capital ratios, net interest margin and efficiency ratio, which is
calculated by dividing noninterest expense by the sum of net interest income on
a tax equivalent basis and noninterest income.
The following discussion and analysis of the major elements of our consolidated
balance sheets as of December 31, 2020 and 2019, and consolidated statements of
earnings for the years 2018 through 2020 should be read in conjunction with our
consolidated financial statements, accompanying notes, and selected financial
data presented elsewhere in this Form
10-K.
Critical Accounting Policies
We prepare consolidated financial statements based on generally accepted
accounting principles ("GAAP") and customary practices in the banking industry.
These policies, in certain areas, require us to make significant estimates and
assumptions.
We deem a policy critical if (1) the accounting estimate required us to make
assumptions about matters that are highly uncertain at the time we make the
accounting estimate; and (2) different estimates that reasonably could have been
used in the current period, or changes in the accounting estimate that are
reasonably likely to occur from period to period, would have a material impact
on the financial statements.
We deem our most critical accounting policies to be (1) our allowance for credit
losses and our provision for credit losses and (2) our valuation of financial
instruments. We have other significant accounting policies and continue to
evaluate the materiality of their impact on our consolidated financial
statements, but we believe these other policies either do not generally require
us to make estimates and judgments that are difficult or subjective, or it is
less likely they would have a material impact on our reported results for a
given period. A discussion of (1) our allowance for credit losses and our
provision for credit losses and (2) our valuation of financial instruments is
included in Notes 1 and 10 to our Consolidated Financial Statements beginning on
page
F-9.
Acquisitions
On September 19, 2019, we entered into an agreement and plan of reorganization
to acquire TB&T Bancshares, Inc. and its wholly-owned bank subsidiary, The
Bank & Trust of Bryan/College Station, Texas. On January 1, 2020, the
transaction was completed. Pursuant to the agreement, we issued 6.28 million
shares of the Company's common shares in exchange for all of the outstanding
shares of TB&T Bancshares, Inc. In addition, in accordance with the plan of
reorganization, TB&T Bancshares, Inc. paid a special dividend totaling
$1.92 million to its shareholders prior to the closing of this transaction. At
the closing, Brazos Merger Sub, Inc., a wholly-owned subsidiary of the Company,
merged into TB&T Bancshares Inc., with TB&T Bancshares, Inc. surviving as a
wholly-owned

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subsidiary of the Company. Immediately following such merger, TB&T Bancshares,
Inc. was merged into the Company and The Bank & Trust of Bryan/College Station,
Texas was merged into First Financial Bank, N.A., a wholly-owned subsidiary of
the Company. The total purchase price of $220.27 million exceeded the estimated
fair value of the net assets acquired by approximately $141.92 million and the
Company recorded such excess as goodwill. The balance sheet and results of
operations of TB&T Bancshares, Inc. have been included in the financial
statements of the Company effective January 1, 2020.
Stock Split and Increase in Authorized Shares
On April 23, 2019, the Company's Board of Directors declared a
two-for-one
stock split of the Company's outstanding common shares effective June 3, 2019.
In addition, the shareholders of the Company approved an amendment to the
Amended and Restated Certificate of Formation to increase the number of
authorized shares to 200,000,000. All per share amounts in this report have been
restated to reflect this stock split. An amount equal to the par value of the
additional common shares to be issued pursuant to the stock split was reflected
as a transfer from retained earnings to common stock in the consolidated
financial statements as of and for the year ended December 31, 2019.
Stock Repurchase
On March 12, 2020, the Company's Board of Directors authorized the repurchase of
up to 4,000,000 common shares through September 30, 2021. Previously, the Board
of Directors had authorized the repurchase of up to 2,000,000 common shares
through September 30, 2020. The stock repurchase plan authorizes management to
repurchase and retire the stock at such time as repurchases are considered
beneficial to the Company and its stockholders. Any repurchase of stock will be
made through the open market, block trades or in privately negotiated
transactions in accordance with applicable laws and regulations. Under the
repurchase plan, there is no minimum number of shares that the Company is
required to repurchase. Through December 31, 2020, 324,802 shares were
repurchased and retired (all during the months of March and April of 2020)
totaling $8,008,000 under this repurchase plan. Subsequent to December 31, 2020
and through February 22, 2021, no additional shares were repurchased. For the
years ended December 31, 2019 and 2018, no shares were repurchased under this
repurchase plan or the prior authorization that expired September 30, 2020.
Implementation of New Accounting Standard for Accounting for Allowance for
Credit Losses
On January 1, 2020, Accounting Standards Update ("ASU")
2016-13,
Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses
on Financial Instruments
, became effective for the Company. Accounting Standards Codification ("ASC")
Topic 326 ("ASC 326") replaced the previous "incurred loss" model for measuring
credit losses with an expected loss methodology that is referred to as the
current expected credit loss ("CECL") methodology. The measurement of expected
credit losses under the CECL methodology is applicable to financial assets
measured at amortized cost, including loan receivables and
held-to-maturity
debt securities. It also applies to
off-balance-sheet
("OBS", "reserve for unfunded commitments") credit exposures not accounted for
as insurance (loan commitments, standby letters of credit, financial guarantees,
and other similar instruments). In addition, ASC 326 made changes to the
accounting for
available-for-sale
debt securities. One such change is to require credit losses to be presented as
an allowance rather than as a write-down on
available-for-sale
debt securities management does not intend to sell or believes that it is more
likely than not they will be required to sell.
On March 27, 2020, the CARES Act was signed by the President of the United
States that included an option for entities to delay the implementation of ASC
326 until the earlier of the termination date of the national emergency
declaration by the President, or December 31, 2020. Under this option, the
Company elected to delay implementation of CECL and calculated and recorded the
provision for credit losses through the nine-months ended September 30, 2020
under the incurred loss model. At December 31, 2020, the Company elected to
adopt ASC 326, effective as of January 1, 2020, through a transition charge to
retained earnings of $589 thousand ($466 thousand net of applicable income
taxes). This transition adjustment was comprised of a decrease of $619 thousand
in allowance for credit losses and an increase of $1.21 million in the reserve
for unfunded commitments.

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The Company completed its CECL implementation plan by forming a cross-functional
working group, under the direction of our Chief Credit Officer along with our
Chief Accounting Officer, Chief Lending Officer and Chief Financial Officer. The
working group also included individuals from various functional areas including
credit, risk management, accounting and information technology, among others.
The implementation plan included assessment and documentation of processes,
internal controls and data sources, model development, documentation and
validation, and system configuration, among other things. The Company contracted
with a third-party vendor to assist in the implementation of CECL.
Other New Accounting Standards Issued but Not Yet Effective
Accounting Standards Update ("ASU")
2019-12,
"Simplifying the Accounting for Income Taxes."
In December 2019, FASB released ASU
2019-12
- Income Taxes (Topic 740), which simplifies the accounting for income taxes by
removing multiple exceptions to the general principals in Topic 740. The
standard is effective for public business entities for fiscal years, and for
interim periods within those fiscal years, beginning after December 15, 2020.
The Company does not expect the adoption of this standard to have a material
impact on the Company's Consolidated Financial Statements.
Accounting Standards Update ("ASU")
2020-04,
"Reference Rate Reform."
In March 2020, FASB released ASU
2020-04
- Reference Rate Reform (Topic 848), which provides optional guidance to ease
the accounting burden in accounting for, or recognizing the effects from,
reference rate reform on financial reporting. The new standard is a result of
LIBOR likely being discontinued as an available benchmark rate. The standard is
elective and provides optional expedients and exceptions for applying GAAP to
contracts, hedging relationships, or other transactions that reference LIBOR, or
another reference rate expected to be discontinued. The amendments in the update
are effective for all entities between March 12, 2020 and December 31, 2022. The
Company has established a cross-functional working group to guide the Company's
transition from LIBOR and has begun efforts to transition to alternative rates
consistent with industry timelines. The Company has identified its products that
utilize LIBOR and has implemented enhanced fallback language to facilitate the
transition to alternative reference rates. The Company is evaluating existing
platforms and systems and preparing to offer new rates.
Results of Operations
Performance Summary
. Net earnings for 2020 were $202.03 million, an increase of $37.22 million, or
22.58%, over net earnings for 2019 of $164.81 million. Net earnings for 2018
were $150.64 million. The increase in net earnings for 2020 over 2019 and 2019
over 2018 was primarily attributable to the overall growth in net interest
income and noninterest income. Net earnings in 2020 also include a provision for
credit losses of $19.52 million compared to $2.97 million in 2019 and
$5.67 million in 2018. The provision for credit losses in 2020 reflects
primarily the stress on our loan portfolio from the increase in unemployment and
economic effects of the COVID pandemic.
On a diluted net earnings per share basis, net earnings were $1.42 for 2020, as
compared to $1.21 for 2019 and $1.11 for 2018. The return on average assets was
1.98% for 2020, as compared to 2.08% for 2019 and 1.98% for 2018. The return on
average equity was 12.93% for 2020, as compared to 14.37% for 2019 and to 15.37%
for 2018. The return on average tangible equity was 16.25% for 2020, as compared
to 16.95% for 2019 and to 18.65% for 2018.
Net Interest Income
. Net interest income is the difference between interest income on earning
assets and interest expense on liabilities incurred to fund those assets. Our
earning assets consist primarily of loans and investment securities. Our
liabilities to fund those assets consist primarily of noninterest-bearing and
interest-bearing deposits.
Tax-equivalent
net interest income was $361.15 million in 2020, as compared to $295.88 million
in 2019, and $281.75 million in 2018. Average earning assets were $9.52 billion
in 2020, as compared to $7.44 billion in 2019 and $7.12 billion in 2018. The
increase in
tax-equivalent
net interest income in 2020 compared to 2019 was largely attributable to
increases in interest earning assets. The increase of $2.08 billion in average
earning assets in 2020 when compared to 2019 was primarily a result of increases
in loans of $1.08 billion and
tax-exempt
securities of $689.80 million when compared to 2019. The increase in
tax-equivalent
net interest income in 2019 compared to 2018 was also largely attributable to
increases in interest earning assets. The increase of $326.97 million in average
earning assets in 2019 when compared to 2018 was primarily a result of increases
in loans of $246.63 million and

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taxable securities of $156.33 million. Average interest-bearing liabilities were
$5.76 billion in 2020, as compared to $4.61 billion in 2019 and $4.47 billion in
2018. The yield on earning assets decreased forty-four basis points in 2020 when
compared to 2019 while the rate paid on interest-bearing liabilities decreased
forty basis points. The yield on earning assets increased fifteen basis points
in 2019 when compared to 2018 while the rate paid on interest-bearing
liabilities increased twenty-three basis points.
Table 1 allocates the change in
tax-equivalent
net interest income between the amount of change attributable to volume and to
rate.
Table 1 - Changes in Interest Income and Interest Expense (in thousands):

                                                   2020 Compared to 2019                           2019 Compared to 2018
                                           Change Attributable to           Total          Change Attributable to           Total
                                           Volume            Rate          Change           Volume            Rate         Change
Short-term investments                   $     3,689       $  (4,628 )    $ 

(939 ) $ (106 ) $ 367 $ 261 Taxable investment securities

                  3,812          (8,026 )       (4,214 )           4,045          1,573          5,618
Tax-exempt
investment securities (1)                     24,671          (8,932 )       15,739            (2,634 )       (2,203 )       (4,837 )
Loans (1) (2)                                 59,719         (20,900 )       38,819            12,983         11,276         24,259

Interest income                               91,891         (42,486 )       49,405            14,288         11,013         25,301
Interest-bearing deposits                      6,379         (20,382 )      (14,003 )             654          9,523         10,177
Short-term borrowings                          1,223          (3,079 )       (1,856 )             (99 )        1,095            996

Interest expense                               7,602         (23,461 )      (15,859 )             555         10,618         11,173

Net interest income                      $    84,289       $ (19,025 )    $  65,264      $     13,733       $    395      $  14,128




(1) Computed on a
    tax-equivalent

basis assuming a marginal tax rate of 21%.

(2) Nonaccrual loans are included in loans.




The net interest margin in 2020 was 3.79%, a decrease of nineteen basis points
from 2019. The net interest margin for 2019 was 3.98% which was an increase of
two basis points from 2018. which increased two basis points from 2018. We
continued to experience downward pressures on our net interest margin in 2020
primarily due to (i) the extended period of fluctuating historically low levels
of short-term interest rates and (ii) the flat to inverted yield curve currently
being experienced in the bond market. We have been able to somewhat mitigate the
impact of these lower short-term interest rates and the flat/inverted yield
curve by establishing minimum interest rates on certain of our loans, improving
the pricing for loan risk, and reducing the rates paid on interest-bearing
liabilities. In March 2020, as the market experienced volatility, we took
advantage of that volatility to purchase high quality municipal bonds at
favorable
tax-equivalent
interest yields. The Federal Reserve increased rates 100 basis points in 2018
but then decreased rates 75 basis points during the third and fourth quarters of
2019 and then an additional 150 basis points in the first quarter of 2020,
resulting in a current target rate range of zero to 25 basis points.

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The net interest margin, which measures
tax-equivalent
net interest income as a percentage of average earning assets, is illustrated in
Table 2 for the years 2018 through 2020.
Table 2 - Average Balances and Average Yields and Rates (in thousands, except
percentages):

                                                         2020                                          2019                                        2018
                                          Average          Income/       Yield/         Average         Income/      Yield/         Average         Income/       Yield/
                                          Balance          Expense        Rate          Balance         Expense       Rate          Balance         Expense        Rate
Assets
Short-term investments (1)             $     251,086      $      953        0.38 %    $    84,430      $   1,892        2.24 %    $    90,374      $    1,631        1.80 %
Taxable investment securities (2)          2,233,634          51,456        2.30        2,090,490         55,670        2.66        1,934,160          50,052        2.59
Tax-exempt
investment securities (2)(3)               1,882,711          58,403        3.10        1,192,908         42,664        3.58        1,262,947          47,501        3.76
Loans (3)(4)                               5,152,531         264,576        5.13        4,074,667        225,757        5.54        3,828,040         201,498        5.26

Total earning assets                       9,519,962      $  375,388        3.94 %      7,442,495      $ 325,983        4.38 %      7,115,521      $  300,682        4.23 %
Cash and due from banks                      189,849                                      175,417                                     176,799
Bank premises and equipment, net             139,880                                      133,239                                     129,715
Other assets                                  92,612                                       66,003                                      62,595
Goodwill and other intangible
assets, net                                  318,818                                      174,138                                     172,425
Allowance for credit losses                  (67,606 )                                    (52,170 )                                   (50,323 )

Total assets                           $  10,193,515                                  $ 7,939,122                                 $ 7,606,732

Liabilities and Shareholders' Equity
Interest-bearing deposits              $   5,198,554      $   13,119        0.25 %    $ 4,208,666      $  27,122        0.64 %    $ 4,052,614      $   16,945        0.42 %
Short-term borrowings                        561,505           1,124        0.20          398,142          2,980        0.75          418,977           1,984        0.47

Total interest-bearing liabilities         5,760,059      $   14,243        0.25 %      4,606,808      $  30,102        0.65 %      4,471,591      $   18,929        0.42 %
Noninterest-bearing deposits               2,782,896                                    2,137,089                                   2,124,004
Other liabilities                             88,550                                       48,658                                      30,931

Total liabilities                          8,631,505                                    6,792,555                                   6,626,526
Shareholders' equity                       1,562,010                                    1,146,567                                     980,206

Total liabilities and shareholders'
equity                                 $  10,193,515                                  $ 7,939,122                                 $ 7,606,732

Net interest income                                       $  361,145                                   $ 295,881                                   $  281,753

Rate Analysis:
Interest income/earning assets                                              3.94 %                                      4.38 %                                       4.23 %
Interest expense/earning assets                                             0.15                                        0.40                                         0.27

Net interest margin                                                         3.79 %                                      3.98 %                                       3.96 %



(1) Short-term investments are comprised of federal funds sold, interest-bearing

deposits in banks and interest- bearing time deposits in banks.

(2) Average balances include unrealized gains and losses on


    available-for-sale
    securities.


(3) Computed on a
    tax-equivalent

basis assuming a marginal tax rate of 21%.

(4) Nonaccrual loans are included in loans.




Noninterest Income
. Noninterest income for 2020 was $139.94 million, an increase of
$31.51 million, or 29.06%, as compared to 2019. Increases in certain categories
of noninterest income included (1) real estate mortgage operations income of
$25.73 million, (2) gain on sale of
available-for-sale
securities of $2.90 million, (3) ATM, interchange and credit card fees of
$2.61 million, (4) miscellaneous income of $2.12 million which includes
$1.40 million in Main Street Lending Program fees and (5) trust fees of
$1.13 million when compared to 2019. The mortgage related income increase was
mainly due to a significant increase in the volume of loans originated to
$1.21 billion in 2020 up from $551.77 million in 2019 driven by the lower rate
environment and a strong housing market in Texas. The increase in ATM,
interchange and credit card fees was driven by continued growth in the number of
debit cards issued as well as our TB&T acquisition. The increase in trust fees
resulted from an increase in assets under management over the prior year. The
fair value of our trust assets managed, which are not reflected in our
consolidated balance sheets, totaled $7.51 billion at December 31, 2020, as
compared to $6.75 billion at December 31, 2019. Offsetting these increases was a
decline in service charge revenue in 2020 when compared with 2019 of
$1.47 million that was primarily driven by lower overdraft fees in the current
year as a result of the effects of the pandemic and related stimulus programs.
Noninterest income for 2019 was $108.43 million, an increase of $6.66 million,
or 6.55%, as compared to 2018. Increases in certain categories of noninterest
income included (1) real estate mortgage operations income of $2.99 million,
(2) ATM, interchange and credit card fees of $1.33 million, (3) interest on loan
recoveries of $1.15 million, (4) service charges on deposit accounts of
$376 thousand, and (5) trust fees of $220 thousand when compared to 2018. The
increase in real estate mortgage fees was a result of an increase in the volume
of loans originated and the Company's decision to move to mandatory delivery
from best efforts. The increase in ATM, interchange and credit

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card fees was primarily due to the continued growth in the number of debit cards
issued. Interest on loan recoveries increased as a result of several larger loan
recoveries in 2019. The increase in service charges on deposit accounts was
primarily due to the continued growth in net new accounts. The increase in trust
fees resulted from an increase in assets under management over the prior year;
however, this was mostly offset by a decrease in income derived from oil and gas
production activity when compared to 2018. The fair value of our trust assets
managed, which are not reflected in our consolidated balance sheets, totaled
$6.75 billion at December 31, 2019, as compared to $5.60 billion at December 31,
2018. Offsetting these increases was a decrease in net gains on sales of
available-for-sale
securities of $621 thousand.
ATM and interchange fees are charges that merchants pay to us and other
card-issuing banks for processing electronic payment transactions. ATM and
interchange fees consist of income from debit card usage, point of sale income
for debit card transactions and ATM service fees. Federal Reserve rules
applicable to financial institutions that have assets of $10 billion or more
provide that the maximum permissible interchange fee for an electronic debit
transaction is limited to the sum of 21 cents per transaction plus 5 basis
points multiplied by the value of the transaction. Management has estimated the
impact of this reduction in ATM and interchange fees to approximate
$14.00 million annually
(pre-tax)
once the Federal Reserve rules apply to the Company. Federal Reserve
requirements stipulate that these rules would go into effect on July 1st
following the
year-end
in which a financial institution's total assets exceeded $10 billion at December
31st. At December 31, 2020, the Company's total assets exceeded the $10 billion
threshold, due primarily to the effect of the Company's participation in the PPP
loan program and growth in deposits from related activities. However, on
November 20, 2020, the federal bank regulatory agencies announced an interim
final rule that provides temporary relief for certain community banking
organizations that have crossed this threshold as of December 31, 2020 if they
had less than $10 billion in assets as of December 31, 2019. Under the interim
final rule, these banks, which includes us, will generally have until 2022 to
either reduce their size, or to prepare for the regulatory and reporting
standards under the Dodd-Frank Act. Management will continue to monitor the
Company's balance sheet levels and prepare for the effects of this future loss
of debit card income.
Table 3 - Noninterest Income (in thousands):

                                                        Increase                        Increase
                                          2020         (Decrease)         2019         (Decrease)         2018
Trust fees                              $  29,531     $      1,130      $  28,401     $        220      $  28,181
Service charges on deposit accounts        20,572           (1,467 )       22,039              376         21,663
ATM, interchange and credit card fees      32,469            2,606         29,863            1,331         28,532
Gain on sale and fees of mortgage
loans                                      43,872           25,728         18,144            2,987         15,157
Net gain on sale of
available-for-sale
securities                                  3,633            2,900            733             (621 )        1,354
Net gain (loss) on sale of foreclosed
assets                                        159             (115 )          274              158            116
Net gain (loss) on sale of assets             112             (207 )          319              466           (147 )
Interest on loan recoveries                   856           (1,236 )        2,092            1,154            938
Other:
Wire transfer fees                          1,153              141          1,012              110            902
Check printing fees                           293               82            211               (5 )          216
Safe deposit rental fees                      732              197            535               (9 )          544
Credit life and debt protection fees          876             (102 )          978              237            741
Brokerage commissions                       1,310             (271 )        1,581             (126 )        1,707
Miscellaneous income                        4,367            2,121          2,246              386          1,860

Total other                                 8,731            2,168          6,563              593          5,970

Total Noninterest Income                $ 139,935     $     31,507      $ 108,428     $      6,664      $ 101,764



Noninterest Expense
. Total noninterest expense for 2020 was $227.94 million, an increase of
$31.42 million, or 15.99%, as compared to 2019. Noninterest expense for 2019
amounted to $196.52 million, an increase of $5.84 million, or 3.06%, as compared
to 2018. An important measure in determining whether a financial institution
effectively manages noninterest expenses is the efficiency ratio, which is
calculated by dividing noninterest expense by the sum of net interest income on
a
tax-equivalent
basis and noninterest income. Lower ratios indicate better efficiency since more
income is generated with a lower noninterest expense total. Our efficiency ratio
for 2020 was 45.49%, as compared to 48.61% for 2019 and 49.72% for 2018. The
reduction in the Company's efficiency ratio during 2020 primarily resulted from
the growth in the Company's balance sheet and interest-earning assets as a
result of the Company's participation in the PPP loan program and the deferral
of $3.62 million in noninterest expenses related to PPP loan origination costs
during the second quarter of 2020.

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Salaries and employee benefits for 2020 totaled $135.12 million, an increase of
$22.79 million, or 20.28%, as compared to 2019. The increase was primarily
driven by (i) the TB&T acquisition, (ii) annual merit-based pay increases that
were effective March 1, 2020, (iii) an increase in our profit sharing and other
incentive expenses, and (iv) higher mortgage related commissions. Also, in 2019
the Company incurred $2.67 million in expenses related to the termination of its
pension plan when compared to $1.55 million in 2018.
All other categories of noninterest expense for 2020 totaled $92.82 million, an
increase of $8.63 million, or 10.25%, as compared to 2019. Included in
noninterest expense in 2020 were technology contract termination and conversion
related expenses totaling $4.88 million related to the TB&T acquisition. Also
included in noninterest expense during 2020 were increases in net occupancy
expenses, professional and service fees and ATM, interchange and credit card
expenses when compared to 2019 primarily due to the TB&T acquisition.
Salaries and employee benefits for 2019 totaled $112.34 million, an increase of
$7.15 million, or 6.79%, as compared to 2018. The increase was primarily driven
by (i) annual merit-based pay increases that were effective March 1, 2019, (ii)
an increase in our profit sharing expenses, (iii) an increase in our pension
plan expenses, and (iv) an increase in medical insurance costs.
All other categories of noninterest expense for 2019 totaled $84.19 million, a
decrease of $1.31 million, or 1.53%, as compared to 2018. Included in
noninterest expense in 2019 was $2.67 million, before income tax, in pension
settlement expense resulting from the Company's settlement and termination of
the remaining portion of its defined benefit pension plan obligation. During
2018, the Company recorded $1.55 million, before income tax, in pension
settlement expense for a partial settlement of this defined benefit pension
obligation. Also included in noninterest expense during 2019 was an increase of
$574 thousand in ATM, interchange and credit card expenses when compared to
2018. Offsetting these increases in noninterest expense for 2019 when compared
to 2018 was a decrease in FDIC insurance premiums of $1.24 million due to the
FDIC assessment credit previously discussed.

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Table 4 - Noninterest Expense (in thousands):

                                                        Increase                         Increase
                                          2020         (Decrease)          2019         (Decrease)          2018
Salaries                               $  101,360     $     17,079      $   84,281     $      4,807      $   79,474
Medical                                    10,406            1,281           9,125              426           8,699
Profit sharing                             10,740            3,079           7,661              612           7,049
Pension                                        -              (351 )           351              529            (178 )
401(k) match expense                        3,374              615           2,759              171           2,588
Payroll taxes                               6,565              890           5,675              306           5,369
Stock option expense                        1,377             (112 )         1,489              (19 )         1,508
Restricted stock expense                    1,301              306             995              315             680

Total salaries and employee benefits      135,123           22,787         112,336            7,147         105,189
Cost related to termination of
pension plan                                   -            (2,673 )         2,673            1,127           1,546
Net occupancy expense                      12,388            1,232          11,156              (17 )        11,173
Equipment expense                           8,396             (656 )         9,052           (1,066 )        10,118
FDIC insurance premiums                     1,758              667           1,091           (1,242 )         2,333
ATM, interchange and credit card
expenses                                   11,235            1,379           9,856              574           9,282
Professional and service fees               9,346            1,493           7,853           (1,041 )         8,894
Printing, stationery and supplies           2,163              351           1,812             (185 )         1,997
Amortization of intangible assets           1,990              974           1,016             (256 )         1,272
Other:
Data processing fees                        1,619               69           1,550               88           1,462
Postage                                     1,446             (101 )         1,547             (202 )         1,749
Advertising                                 1,952           (1,655 )         3,607                4           3,603
Correspondent bank service charges            908              201             707              (65 )           772
Telephone                                   3,819              141           3,678              116           3,562
Public relations and business
development                                 2,650             (556 )         3,206              145           3,061
Directors' fees                             2,363              391           1,972              227           1,745
Audit and accounting fees                   2,232              772           1,460             (165 )         1,625
Legal fees                                  1,276               62           1,214               66           1,148
Regulatory exam fees                        1,105              (74 )         1,179              (96 )         1,275
Travel                                        967             (674 )         1,641              176           1,465
Courier expense                               855               (3 )           858               28             830
Operational and other losses                2,462              583           1,879             (309 )         2,188
Other real estate                              83             (119 )           202               73             129
Software amortization and expense           8,862            1,557           7,305            1,285           6,020
Other miscellaneous expense                12,940            5,269           7,671             (575 )         8,246

Total other                                45,539            5,863          39,676              796          38,880

Total Noninterest Expense              $  227,938     $     31,417      $  196,521     $      5,837      $  190,684



Income Taxes
. Income tax expense was $40.33 million for 2020, as compared to $33.22 million
for 2019 and $27.54 million for 2018. Our effective tax rates on pretax income
were 16.64%, 16.78% and 15.46%, respectively, for the years 2020, 2019 and 2018.
The effective tax rates differ from the statutory federal tax rate of 21.0%
largely due to tax exempt interest income earned on certain investment
securities and loans and the deductibility of dividends paid to our employee
stock ownership plan.
On December 22, 2017, the Tax Cuts and Jobs Act was signed into law with
sweeping modifications to the Internal Revenue Code. The primary change for the
Company was to lower the corporate income tax rate to 21% from 35%. The
Company's deferred tax assets and liabilities were
re-measured
based on the income tax rates at which they are expected to reverse in the
future, which is generally 21%. The provisional amount recorded related to the
re-measurement
of the Company's deferred tax balance was $7.65 million, a reduction of income
tax expense for the year ended December 31, 2017. However, the Company updated
its estimate of the impact to our deferred tax balances based on the proposed
regulations issued to date and recorded an additional reduction of income tax
expense for the year ended December 31, 2018 of $664 thousand. No additional
adjustment amounts were recorded for the years ended December 31, 2019 and 2020.

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Balance Sheet Review
Loans
. Our portfolio is comprised of loans made to businesses, professionals,
individuals, and farm and ranch operations located in the primary trade areas
served by our subsidiary bank. As of December 31, 2020, total loans
held-for-investment
were $5.17 billion, an increase of $976.06 million, as compared to December 31,
2019. The increase in the Company's total loans
held-for-investment
in 2020 was primarily driven by the TB&T acquisition and the Company's
participation in the PPP loan program. On January 1, 2020, TB&T had
$447.70 million in loan balances. During 2020, the Company originated
$703.73 million in PPP loans of which $220.34 were forgiven during the year
resulting in a balance of $479.43 million at December 31, 2020, which are
included in the Company's commercial loan totals. The average balance of PPP
loans was $479.43 million for the year ended December 31, 2020. At December 31,
2020, $11.27 million of deferred loan fees related to PPP loans continues to be
amortized over the shorter of the repayment period or the contractual life of 24
months.
As compared to
year-end
2019 balances, total real estate loans increased $495.89 million, total
commercial loans increased $456.38 million, agricultural loans decreased
$8.78 million and total consumer loans increased $32.57 million. Loans averaged
$5.15 billion during 2020, an increase of $1.08 billion over 2019 average
balances.
In conjunction with the adoption of ASC 326, the Company expanded its four loan
portfolio segments used under the legacy disclosure requirements into the
following ten portfolio segments. For modeling purposes, our loan portfolio
segments include Commercial and Industrial ("C&I"), Municipal, Agricultural,
Construction and Development, Farm,
Non-Owner
Occupied and Owner Occupied Commercial Real Estate ("CRE"), Residential,
Consumer Auto and Consumer
Non-Auto.
This additional segmentation allows for a more precise pooling of loans with
similar credit risk characteristics and credit monitor procedures for the
Company's calculation of its allowance for credit losses.
Table 5 outlines the composition of the Company's
held-for-investment
loans. by portfolio segment. at December 31, 2020. For all periods prior to
December 31, 2020, management has elected to maintain its previously disclosed
loan portfolio segments.
Table 5 - Composition of Loans
Held-For-Investment
(in thousands):

                                                                   December 31,
                                       2020            2019            2018            2017             2016
Commercial:
C&I                                $  1,131,382     $       N/A     $       N/A     $       N/A     $        N/A
Municipal                               181,325             N/A             N/A             N/A              N/A

Total Commercial                      1,312,707         856,326         844,953         684,099          674,410
Agricultural                             94,864         103,640          96,677          94,543           84,021
Real Estate:
Construction & Development              553,959             N/A             N/A             N/A              N/A
Farm                                    152,237             N/A             N/A             N/A              N/A
Non-Owner
Occupied CRE                            617,686             N/A             N/A             N/A              N/A
Owner Occupied CRE                      746,974             N/A             N/A             N/A              N/A
Residential                           1,248,409             N/A             N/A             N/A              N/A

Total Real Estate                     3,319,265       2,823,372       2,639,346       2,302,998        2,189,844
Consumer:
Auto                                    353,595             N/A             N/A             N/A              N/A
Non-Auto                                 90,602             N/A             N/A             N/A              N/A

Total Consumer                          444,197         411,631         372,660         403,929          409,032

Total                              $  5,171,033     $ 4,194,969     $ 3,953,636     $ 3,485,569     $  3,357,307




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Loans held-for-sale, consisting of secondary market mortgage loans, totaled
$83.97 million and $28.23 million at December 31, 2020 and 2019, respectively.
At December 31, 2020 and 2019, $4.38 million and $5.15 million are valued at the
lower of cost or fair value, and the remaining amount is valued under the fair
value option.
The Company has certain lending policies and procedures in place that are
designed to maximize loan growth with an acceptable level of risk. Management
reviews and approves these policies and procedures on an annual basis and makes
changes as appropriate with input from our Board of Directors. Management
receives and reviews monthly reports related to loan originations, quality,
concentrations, delinquencies, nonperforming and potential problem loans.
Diversification in the loan portfolio is a means of managing risk associated
with fluctuations in economic conditions, both by type of loan and geographic
location.
Commercial loans are underwritten after evaluating and understanding the
borrower's ability to operate profitably and effectively. Underwriting standards
are designed to determine whether the borrower possesses sound business ethics
and practices and to evaluate current and projected cash flows to determine the
ability of the borrower to repay their obligations as agreed. Commercial loans
are primarily made based on the identified cash flows of the borrower and,
secondarily, on the underlying collateral provided by the borrower. Most
commercial loans are secured by the assets being financed or other business
assets, such as accounts receivable or inventory, and include personal
guarantees.
Agricultural loans are subject to underwriting standards and processes similar
to commercial loans. These agricultural loans are based primarily on the
identified cash flows of the borrower and secondarily on the underlying
collateral provided by the borrower. Most agricultural loans are secured by the
agriculture related assets being financed, such as farm land, cattle or
equipment, and include personal guarantees.
Real estate loans are also subject to underwriting standards and processes
similar to commercial and agricultural loans. These loans are underwritten
primarily based on projected cash flows and, secondarily, as loans secured by
real estate. The repayment of real estate loans is generally largely dependent
on the successful operation of the property securing the loans or the business
conducted on the property securing the loan. Real estate loans may be more
adversely affected by conditions in the real estate markets or in the general
economy. The properties securing the Company's real estate portfolio are
generally diverse in terms of type and geographic location within Texas. This
diversity helps reduce the exposure to adverse economic events that affect any
single market or industry. Generally, real estate loans are owner-occupied which
further reduces the Company's risk.
Consumer loan underwriting utilizes methodical credit standards and analysis to
supplement the Company's underwriting policies and procedures. The Company's
loan policy addresses types of consumer loans that may be originated and the
collateral, if secured, which must be perfected. The relatively smaller
individual dollar amounts of consumer loans that are spread over numerous
individual borrowers also minimize the Company's risk.
Table 6 - Maturity Distribution and Interest Sensitivity of Loans at December
31, 2020 (in thousands):
The following tables summarize maturity and repricing information for the
commercial and agricultural and the real estate-construction and development
portion of our loan portfolio as of December 31, 2020:

                                                              After One
                                                                 Year
                                              One Year         Through          After Five
                                               or less        Five Years          Years             Total
Commercial and agricultural                   $ 362,416      $    803,779      $    241,376      $ 1,407,571
Real estate - construction and development      255,960            91,816           206,183          553,959



                                                      Maturities
                                                      After One
                                                         Year
Loans with fixed interest rates                      $    892,141

Loans with floating or adjustable interest rates 451,013


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Asset Quality
. Our loan portfolio is subject to periodic reviews by our centralized
independent loan review group as well as periodic examinations by bank
regulatory agencies. Loans are placed on nonaccrual status when, in the judgment
of management, the collectability of principal or interest under the original
terms becomes doubtful. Nonaccrual, past due 90 days or more and still accruing,
and restructured loans plus foreclosed assets were $42.90 million at
December 31, 2020, as compared to $25.77 million at December 31, 2019 and
$29.63 million at December 31, 2018. As a percent of loans
held-for-investment
and foreclosed assets, these assets were 0.83% at December 31, 2020, as compared
to 0.61% at December 31, 2019 and 0.75% at December 31, 2018. As a percent of
total assets, these assets were 0.39% at December 31, 2020, as compared to 0.31%
at December 31, 2019 and 0.38% at December 31, 2018. We believe the level of
these assets to be manageable and are not aware of any material classified
credits not properly disclosed as nonperforming at December 31, 2020.
Supplemental Oil and Gas Information.
At December 31, 2020, the Company's exposure to the oil and gas industry was
2.27% of loans
held-for-investment,
excluding PPP loans, or $106.24 million, compared to 2.86% of loans
held-for-investment,
or $119.79 million at December 31, 2019. These oil and gas loans consisted
(based on collateral supporting the loan) of (i) development and production
loans of 11.99%, (ii) oil and gas field servicing loans of 6.62%, (iii) real
estate loans of 57.40%, (iv) accounts receivable and inventory of 4.04%, (v)
automobile of 12.09% and (vi) other of 7.86%. These loans have warranted
additional scrutiny because of fluctuating oil and gas prices and the COVID
pandemic. The Company instituted additional monitoring procedures for these
loans and has classified and downgraded loans as appropriate. The following oil
and gas information is as of and for the years ended December 31, 2020 and 2019:

                                                                    December 31,
                                                               2020              2019
Oil and gas related loans, excluding PPP loans              $  106,237        $  119,789
Oil and gas related loans as a % of total loans
held-for-investment,
excluding PPP loans                                               2.27 %            2.86 %
Classified oil and gas related loans                        $   13,298        $    7,041
Nonaccrual oil and gas related loans                        $    4,774

$ 481 Net charge-offs for oil and gas related loans for year then ended

$      825

$ -




Supplemental COVID Industry Exposure.
In addition, at December 31, 2020, loan balances in the
retail/restaurant/hospitality industries totaled $359.33 million or 7.67% of the
Company's total loans
held-for-investment,
excluding PPP loans. Classified and nonperforming loans for these industries
combined at December 31, 2020, totaled $31.19 million and $5.98 million,
respectively. Net charge-offs related to this portfolio totaled $895 thousand
for the year ended December 31, 2020. Additional information related to the
Company's retail/restaurant/hospitality industries follows below (in thousands,
except percentages):

                                                                  December 31,

                                                                      2020
Retail loans                                                     $      216,244
Restaurant loans                                                         48,618
Hotel loans                                                              71,716
Other hospitality loans                                                  21,970
Travel loans                                                                780

Total Retail/Restaurant/Hospitality loans, excluding PPP loans $ 359,328

Retail/Restaurant/Hospitality loans as a % of total loans held-for-investment, excluding PPP loans

                                                        7.67 %
Classified Retail/Restaurant/Hospitality loans                   $       

31,192


Nonaccrual Retail/Restaurant/Hospitality loans                            

5,975


Net Charge-Offs for Retail/Restaurant/Hospitality loans                     895



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Table 7 - Nonaccrual, Past Due 90 Days or More and Still Accruing, Restructured
Loans and Foreclosed Assets (in thousands, except percentages):

                                                                     At December 31,
                                            2020           2019           2018           2017           2016
Nonaccrual loans                          $  42,619      $  24,582      $  27,534      $  17,670      $  27,371
Loans still accruing and past due 90
days or more                                    113            153          1,008            288            284
Troubled debt restructured loans*                24             26            513            627            701

Nonperforming loans                          42,756         24,761         29,055         18,585         28,356
Foreclosed assets                               142          1,009            577          1,532            644

Total nonperforming assets                $  42,898      $  25,770      $  29,632      $  20,117      $  29,000

As a % of loans
held-for-investment
and foreclosed assets                          0.83 %         0.61 %         0.75 %         0.58 %         0.86 %
As a % of total assets                         0.39           0.31           0.38           0.28           0.43


* Troubled debt restructured loans of $7.41 million, $4.79 million,

$3.84 million, $4.63 million and $6.86 million, respectively, whose interest

collection, after considering economic and business conditions and collection

efforts, is doubtful are included in nonaccrual loans as of December 31, 2020,

2019, 2018, 2017 and 2016.




We record interest payments received on nonaccrual loans as reductions of
principal. Prior to the loans being placed on nonaccrual, we recognized interest
income on these loans as of December 31, 2020 of approximately $255 thousand
during the year ended December 31, 2020. If interest on these loans had been
recognized on a full accrual basis during the year ended December 31, 2020, such
income would have approximated $4.46 million.
Included in our loan portfolio are certain other loans not included in Table 7
that are deemed to be potential problem loans. Potential problem loans are those
loans that are currently performing, but for which known information about
trends, uncertainties or possible credit problems of the borrowers causes
management to have serious doubts as to the ability of such borrowers to comply
with present repayment terms, possibly resulting in the transfer of such loans
to nonperforming status. These potential problem loans totaled $10.76 million as
of December 31, 2020.
See Note 3 to the Consolidated Financial Statements beginning on page
F-19
for more information on these assets.
Allowance for Credit Losses
. The allowance for credit losses is the amount we determine as of a specific
date to be appropriate to absorb current expected credit losses on existing
loans in which full collectability is unlikely based on our review and
evaluation of the loan portfolio. For a discussion of our methodology, see our
accounting policies in Note 1 to the Consolidated Financial Statements beginning
on page
F-9.
The provision for credit losses was $19.52 million in 2020, as compared to
$2.97 million in 2019 and $5.67 million in 2018. The provision for credit losses
in 2020 reflects primarily the stress on our loan portfolio from the increase in
unemployment and economic effects of the COVID pandemic. As a percent of average
loans, net loan charge-offs were 0.06% during 2020, 0.04% during 2019 and 0.07%
during 2018. The allowance for credit losses as a percent of loans
held-for-investment
was 1.29% as of December 31, 2020, as compared to 1.25% as of December 31, 2019
and 1.30% as of December 31, 2018. The allowance for credit losses as a percent
of loans
held-for-investment,
excluding PPP loans, was 1.42% as of December 31, 2020, as compared to 1.25% as
of December 31, 2019 and 1.30% as of December 31, 2018. Included in Tables 8 and
9 are further analysis of our allowance for credit losses.
Although we believe we use the best information available to make credit loss
allowance determinations, future adjustments could be necessary if circumstances
or economic conditions differ substantially from the assumptions used in making
our initial determinations. A downturn in the economy or lower employment could
result in increased levels of nonaccrual, past due 90 days or more and still
accruing, restructured loans, foreclosed assets, charge-offs, increased
provision for credit losses and reductions in income. Additionally, as an
integral part of their examination process, bank regulatory agencies
periodically review the adequacy of our allowance for credit losses. The banking
agencies could require additions to our allowance for credit losses based on
their judgment of information available to them at the time of their
examinations of our bank subsidiary.

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Table 8 - Loan Loss Experience and Allowance for Credit Losses (in thousands,
except percentages):

                                             2020           2019          2018          2017          2016
Balance at January 1,                      $  52,499      $  51,202     $  48,156     $  45,779     $  41,877
Impact of adopting ASC 326                      (619 )           -             -             -             -
Initial allowance on acquired TB&T PCD
loans                                          1,678             -             -             -             -
Charge-offs:
Commercial:
C&I                                            2,516            N/A           N/A           N/A           N/A
Municipal                                         -             N/A           N/A           N/A           N/A

Total Commercial                               2,516          1,545         1,418         3,018         6,990
Agricultural                                     372            319            -             71           219
Real estate:
Construction & Development                        -             N/A           N/A           N/A           N/A
Farm                                              -             N/A           N/A           N/A           N/A
Non-Owner
Occupied CRE                                     563            N/A           N/A           N/A           N/A
Owner Occupied CRE                               567            N/A           N/A           N/A           N/A
Residential real estate                          373            N/A           N/A           N/A           N/A

Total real estate                              1,503          1,335         1,479         1,215           682
Consumer:
Auto                                             548            N/A           N/A           N/A           N/A
Non-Auto                                         375            N/A           N/A           N/A           N/A

Total Consumer                                   923            927         1,550         1,517         1,925
Total charge-offs                              5,314          4,126         4,447         5,821         9,816

Recoveries:
Commercial:
C&I                                            1,315            N/A           N/A           N/A           N/A
Municipal                                         -             N/A           N/A           N/A           N/A

Total Commercial                               1,315          1,364           839           942           952
Agricultural                                      31            158            15            33            25
Real estate:
Construction & Development                        -             N/A           N/A           N/A           N/A
Farm                                             157            N/A           N/A           N/A           N/A
Non-Owner
Occupied CRE                                     131            N/A           N/A           N/A           N/A
Owner Occupied CRE                                17            N/A           N/A           N/A           N/A
Residential real estate                          151            N/A           N/A           N/A           N/A

Total Real Estate                                456            404           462           192         2,021
Consumer:
Auto                                             269            N/A           N/A           N/A           N/A
Non-Auto                                         171            N/A           N/A           N/A           N/A

Total Consumer                                   440            532           512           501           508
Total recoveries                               2,242          2,458         1,828         1,668         3,506

Net charge-offs                                3,072          1,668         2,619         4,153         6,310

Provision for credit losses (excluding
provision for unfunded commitment)            16,048          2,965         5,665         6,530        10,212

Balance at December 31,                    $  66,534      $  52,499     $  51,202     $  48,156     $  45,779




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                                         2020             2019             2018             2017             2016
Loans,
held-for-investment
at
year-end                              $ 5,171,033      $ 4,194,969      $ 3,953,636      $ 3,485,569      $ 3,357,307
Average loans                           5,152,531        4,074,667        3,828,040        3,435,447        3,333,241
Net charge-offs/average loans                0.06 %           0.04 %           0.07 %           0.12 %           0.19 %
Allowance for credit
losses/year-end
loans
held-for-
investment                                   1.29 %           1.25 %           1.30 %           1.38 %           1.36 %
Allowance for credit
losses/nonaccrual, past due 90 days
still accruing and restructured
loans                                      155.61           212.02           176.22           259.11           161.44


Table 9 - Allocation of Allowance for Credit Losses (in thousands):



                                                                       At December 31,
                                           2020             2019             2018             2017             2016
                                        Allocation       Allocation       Allocation       Allocation       Allocation
                                          Amount           Amount           Amount           Amount           Amount
Commercial:
C&I                                    $     13,609     $        N/A     $        N/A     $        N/A     $        N/A
Municipal                                     1,552              N/A              N/A              N/A              N/A

Total Commercial                             15,161           12,122           11,948           10,865           11,707
Agricultural                                  1,255            1,206            1,446            1,305            1,101
Real estate:
Construction & Development                   13,512              N/A              N/A              N/A              N/A
Farm                                          1,876              N/A              N/A              N/A              N/A
Non-Owner
Occupied CRE                                  8,391              N/A              N/A              N/A              N/A
Owner Occupied CRE                           12,347              N/A              N/A              N/A              N/A
Residential real estate                      12,601              N/A              N/A              N/A              N/A

Total Real Estate                            48,727           33,974           32,342           29,896           26,864
Consumer:
Auto                                          1,020              N/A              N/A              N/A              N/A
Non-Auto                                        371              N/A              N/A              N/A              N/A

Total Consumer                                1,391            5,197            5,466            6,090            6,107

Total                                  $     66,534     $     52,499     $     51,202     $     48,156     $     45,779




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Percent of Loans in Each Category of Total Loans:

                               2020          2019          2018          2017          2016
Commercial:
C&I                             21.78 %         N/A           N/A           N/A           N/A
Municipal                        3.51 %         N/A           N/A           N/A           N/A

Total Commercial                25.29 %       20.41 %       21.37 %       19.63 %       20.09 %
Agricultural                     1.83 %        2.47 %        2.45 %        2.71 %        2.50 %
Real estate:
Construction & Development      10.72 %         N/A           N/A           N/A           N/A
Farm                             2.94 %         N/A           N/A           N/A           N/A
Non-Owner
Occupied CRE                    10.55 %         N/A           N/A           N/A           N/A
Owner Occupied CRE              14.45 %         N/A           N/A           N/A           N/A
Residential real estate         25.59 %         N/A           N/A           N/A           N/A

Total Real Estate               64.25 %       67.31 %       66.75 %       66.07 %       65.23 %
Consumer:
Auto                             6.89 %         N/A           N/A           N/A           N/A
Non-Auto                         1.74 %         N/A           N/A           N/A           N/A

Total Consumer                   8.63 %        9.81 %        9.43 %       11.59 %       12.18 %

Total                          100.00 %      100.00 %      100.00 %      100.00 %      100.00 %



Interest-Bearing Demand Deposits in Banks.
The Company had interest-bearing demand deposits in banks of $517.97 million at
December 31, 2020 and $47.92 million at December 31, 2019, respectively. At
December 31, 2020, our interest-bearing deposits in banks included
$517.57 million maintained at the Federal Reserve Bank of Dallas and
$403 thousand on deposit with the Federal Home Loan Bank of Dallas (FHLB). The
average balance of interest-bearing deposits in banks was $249.70 million,
$80.81 million and $87.03 million in 2020, 2019 and 2018, respectively. The
average yield on interest-bearing deposits in banks was 0.38%, 2.22% and 1.79%
in 2020, 2019 and 2018, respectively.
Available-for-Sale
Securities
. At December 31, 2020, securities with a fair value of $4.39 billion were
classified as securities
available-for-sale.
There were no securities classified as
held-to-maturity
at December 31, 2020 and 2019. As compared to December 31, 2019, the
available-for-sale
portfolio at December 31, 2020, reflected (1) a decrease of $10.02 million in
U.S. Treasury securities; (2) an increase of $1.14 billion in obligations of
states and political subdivisions; (3) a decrease of $151 thousand in corporate
bonds and other; and (4) a decrease of $148.01 million in mortgage-backed
securities. As compared to December 31, 2018, the
available-for-sale
portfolio at December 31, 2019, reflected (1) an increase of $57 thousand in
U.S. Treasury securities; (2) a decrease of $301 thousand in obligations of U.S.
government sponsored enterprises and agencies; (3) an increase of $31.11 million
in obligations of states and political subdivisions; (4) a decrease of
$90 thousand in corporate bonds and other; and (5) an increase of
$223.76 million in mortgage-backed securities.
Securities-available-for-sale
included fair value adjustments of $215.85 million, $84.51 million and
$5.21 million at December 31, 2020, 2019 and 2018, respectively. Our mortgage
related securities are backed by GNMA, FNMA or FHLMC or are collateralized by
securities backed by these agencies.
See Table 10 and Note 2 to the Consolidated Financial Statements for additional
disclosures relating to the maturities and fair values of the investment
portfolio at December 31, 2020 and 2019.

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Table 10 - Maturities and Yields of
Available-for-Sale
Held at December 31, 2020 (in thousands, except percentages):

                                                                                                      Maturing
                                                                        After One Year             After Five Years
                                                One Year                   Through                     Through                    After
                                                or Less                   Five Years                  Ten Years                 Ten Years                   Total
Available-for-Sale:                        Amount       Yield         Amount        Yield         Amount        Yield       Amount      Yield         Amount        Yield
Obligations of states and political
subdivisions                              $  98,345       4.71 %    $   

673,036 4.01 % $ 1,647,476 2.85 % $ 8,019 2.39 % $ 2,426,876 3.25 % Corporate bonds and other securities 4,557 1.86

               -          -                -          -            -           -            4,557       1.86
Mortgage-backed securities                  186,698       2.02        1,514,743       2.27          260,155       1.68           -           -    

1,961,596 2.17



Total                                     $ 289,600       2.93 %    $ 

2,187,779 2.81 % $ 1,907,631 2.69 % $ 8,019 2.39 %

$ 4,393,029 2.76 %





All yields are computed on a
tax-equivalent
basis assuming a marginal tax rate of 21%. Yields on
available-for-sale
securities are based on amortized cost. Maturities of mortgage-backed securities
are based on contractual maturities and could differ due to prepayments of
underlying mortgages. Maturities of other securities are reported at the earlier
of maturity date or call date.
As of December 31, 2020, the investment portfolio had an overall tax equivalent
yield of 2.76%, a weighted average life of 4.66 years and modified duration of
4.14 years compared to December 31, 2019, the investment portfolio had an
overall tax equivalent yield of 3.17%, a weighted average life of 4.18 years and
modified duration of 3.74 years.
Deposits
. Deposits held by our subsidiary bank represent our primary source of funding.
Total deposits were $8.68 billion as of December 31, 2020, as compared to
$6.60 billion as of December 31, 2019 and $6.18 billion as of December 31, 2018.
Table 11 provides a breakdown of average deposits and rates paid over the past
three years and the remaining maturity of time deposits of $100,000 or more:
Table 11 - Composition of Average Deposits and Remaining Maturity of Time
Deposits of $100,000 or More (in thousands, except percentages):

                                                   2020                           2019                           2018
                                          Average         Average         Average        Average         Average        Average
                                          Balance          Rate           Balance         Rate           Balance         Rate
Noninterest-bearing deposits            $  2,782,896            -  %    $ 2,137,089            -  %    $ 2,124,005            -  %
Interest-bearing deposits
Interest-bearing checking                  2,513,627          0.21        

2,097,109 0.68 2,025,810 0.53 Savings and money market accounts 2,214,569 0.20 1,679,168 0.54 1,558,889 0.28 Time deposits under $100,000

                 195,425          0.43          

186,709 0.70 204,929 0.25 Time deposits of $100,000 or more

            274,933          0.88          

245,680 1.04 262,986 0.48



Total interest-bearing deposits            5,198,554          0.25 %      4,208,666          0.64 %      4,052,614          0.42 %

Total average deposits                  $  7,981,450                    $ 6,345,755                    $ 6,176,619

Total cost of deposits                                        0.16 %                         0.42 %                         0.27 %




                                           As of December 31,
                                                  2020
Three months or less                      $            109,096
Over three through six months                           54,915
Over six through twelve months                          79,159
Over twelve months                                      43,142

Total time deposits of $100,000 or more   $            286,312



Borrowings.


Included in borrowings were federal funds purchased, securities sold under
repurchase agreements and advances from the FHLB of $430.09 million,
$381.36 million and $468.71 million at December 31, 2020, 2019 and 2018,
respectively. Securities sold under repurchase agreements are generally with
significant customers of the Company that require short-term liquidity for their
funds for which we pledge certain securities that have a fair value equal to at
least the amount of the short-term borrowing. The average balances of federal
funds purchased, securities sold under repurchase agreements and advances from
the FHLB were $561.51 million, $398.14 million,

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and $418.98 million in 2020, 2019 and 2018, respectively. The average rates paid
on federal funds purchased, securities sold under repurchase agreements and
advances from the FHLB were 0.20%, 0.75% and 0.47% for the years ended
December 31, 2020, 2019 and 2018, respectively. The weighted average interest
rate on federal funds purchased, securities sold under repurchase agreements and
advances from the FHLB was 0.08%, 0.48% and 0.78% at December 31, 2020, 2019 and
2018, respectively. The highest amount of federal funds purchased, securities
sold under repurchase agreements and advances from the FHLB at any
month-end
during 2020, 2019 and 2018 was $925.42 million, $423.67 million and
$529.64 million, respectively.
Capital Resources
We evaluate capital resources by our ability to maintain adequate regulatory
capital ratios to do business in the banking industry. Issues related to capital
resources arise primarily when we are growing at an accelerated rate but not
retaining a significant amount of our profits or when we experience significant
asset quality deterioration.
Total shareholders' equity was $1.68 billion, or 15.39% of total assets at
December 31, 2020, as compared to $1.23 billion, or 14.85% of total assets at
December 31, 2019. Included in shareholders' equity at December 31, 2020 and
2019 were $170.40 million and $67.51 million, respectively, in unrealized gains
on investment securities
available-for-sale,
net of related income taxes. During 2020, total shareholders' equity averaged
$1.56 billion, or 15.32% of average assets, as compared to $1.15 billion, or
14.44% of average assets during 2019.
Banking regulators measure capital adequacy by means of the risk-based capital
ratios and leverage ratio under the Basel III regulatory capital framework and
prompt corrective action regulations. The risk-based capital rules provide for
the weighting of assets and
off-balance-sheet
commitments and contingencies according to prescribed risk categories.
Regulatory capital is then divided by risk-weighted assets to determine the
risk-adjusted capital ratios. The leverage ratio is computed by dividing
shareholders' equity less intangible assets by
quarter-to-date
average assets less intangible assets.
Beginning in January 2015, under the Basel III regulatory capital framework, the
implementation of the capital conservation buffer was effective for the Company
starting at the 0.625% level and increasing 0.625% each year thereafter, until
it reached 2.5% on January 1, 2019. The capital conservation buffer is designed
to absorb losses during periods of economic stress and requires increased
capital levels for the purpose of capital distributions and other payments.
Failure to meet the amount of the buffer will result in restrictions on the
Company's ability to make capital distributions, including divided payments and
stock repurchase, and to pay discretionary bonuses to executive officers.
As of December 31, 2020 and 2019, we had a total risk-based capital ratio of
22.03% and 21.13%, a Tier 1 capital to risk-weighted assets ratio of 20.79% and
20.06%, a common equity Tier 1 capital to risk-weighted ratio of 20.79% and
20.06% and a Tier 1 leverage ratio of 11.86% and 12.60%, respectively. The
regulatory capital ratios as of December 31, 2020 and 2019 were calculated under
Basel III rules.
Our subsidiary bank made the election to continue to exclude accumulated other
comprehensive income from capital in connection with its March 31, 2015
quarterly financial filing and, in effect, to retain the accumulated other
comprehensive income treatment under the prior capital rules.
Interest Rate Risk
. Interest rate risk results when the maturity or repricing intervals of
interest-earning assets and interest-bearing liabilities are different. Our
exposure to interest rate risk is managed primarily through our strategy of
selecting the types and terms of interest-earning assets and interest-bearing
liabilities that generate favorable earnings while limiting the potential
negative effects of changes in market interest rates. We use no
off-balance-sheet
financial instruments to manage interest rate risk.
Our subsidiary bank has an asset liability management committee that monitors
interest rate risk and compliance with investment policies. The subsidiary bank
utilizes an earnings simulation model as the primary quantitative tool in
measuring the amount of interest rate risk associated with changing market
rates. The model quantifies the effects of various interest rate scenarios on
projected net interest income and net income over the next twelve months. The
model measures the impact on net interest income relative to a base case
scenario of hypothetical fluctuations in interest rates over the next
twelve months. These simulations incorporate assumptions regarding balance sheet
growth and mix, pricing and the
re-pricing
and maturity characteristics of the existing and projected balance sheet.

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As of December 31, 2020, the model simulations projected that 100 and 200 basis
point increases in interest rates would result in positive variances in net
interest income of 4.75% and 9.51%, respectively, relative to the current
financial statement structure over the next twelve months, while a decrease in
interest rates of 100 and 200 basis points would result in negative variances in
net interest income of 3.46% and 5.44% relative to the current financial
statement structure over the next twelve months
.
Our model simulation as of December 31, 2020 indicates that our balance sheet is
relatively asset/liability neutral. These are good faith estimates and assume
that the composition of our interest sensitive assets and liabilities existing
at each
year-end
will remain constant over the relevant twelve-month measurement period and that
changes in market interest rates are instantaneous and sustained across the
yield curve regardless of duration of pricing characteristics on specific assets
or liabilities. Also, this analysis does not contemplate any actions that we
might undertake in response to changes in market interest rates. We believe
these estimates are not necessarily indicative of what actually could occur in
the event of immediate interest rate increases or decreases of this magnitude.
As interest-bearing assets and liabilities reprice in different time frames and
proportions to market interest rate movements, various assumptions must be made
based on historical relationships of these variables in reaching any conclusion.
Since these correlations are based on competitive and market conditions, we
anticipate that our future results will likely be different from the foregoing
estimates, and such differences could be material.
Should we be unable to maintain a reasonable balance of maturities and repricing
of our interest-earning assets and our interest-bearing liabilities, we could be
required to dispose of our assets in an unfavorable manner or pay a higher than
market rate to fund our activities. Our asset liability committee oversees and
monitors this risk.
Liquidity
Liquidity is our ability to meet cash demands as they arise. Such needs can
develop from loan demand, deposit withdrawals or acquisition opportunities.
Potential obligations resulting from the issuance of standby letters of credit
and commitments to fund future borrowings to our loan customers are other
factors affecting our liquidity needs. Many of these obligations and commitments
are expected to expire without being drawn upon; therefore the total commitment
amounts do not necessarily represent future cash requirements affecting our
liquidity position. The potential need for liquidity arising from these types of
financial instruments is represented by the contractual notional amount of the
instrument, as detailed in Tables 12 and 13. Asset liquidity is provided by cash
and assets which are readily marketable or which will mature in the near future.
Liquid assets include cash, federal funds sold, and short-term investments in
time deposits in banks. Liquidity is also provided by access to funding sources,
which include core depositors and correspondent banks that maintain accounts
with and sell federal funds to our subsidiary bank. Other sources of funds
include our ability to borrow from short-term sources, such as purchasing
federal funds from correspondent banks, sales of securities under agreements to
repurchase and advances from the FHLB, which amounted to $430.09 million at
December 31, 2020, and an unfunded $25.00 million revolving line of credit
established with Frost Bank, a nonaffiliated bank, which matures on June 30,
2021 (see next paragraph).
Our subsidiary bank also has federal funds purchased lines of credit with two
non-affiliated
banks totaling $130.00 million. At December 31, 2020, there were no amounts
drawn on these lines of credit. Our subsidiary bank also has (i) an available
line of credit with the FHLB totaling $1.53 billion at December 31, 2020,
secured by portions of our loan portfolio and certain investment securities and
(ii) access to the Federal Reserve Bank of Dallas lending program. At
December 31, 2020, the Company did not have any balances outstanding under this
line of credit.
The Company renewed its loan agreement, effective June 30, 2019, with Frost
Bank. Under the loan agreement, as renewed and amended, we are permitted to draw
up to $25.00 million on a revolving line of credit. Prior to June 30, 2021,
interest is paid quarterly at
The Wall Street Journal
Prime Rate and the line of credit matures June 30, 2021. If a balance exists at
June 30, 2021, the principal balance converts to a term facility payable
quarterly over five years and interest is paid quarterly at
The Wall Street
Journal
Prime Rate. The line of credit is unsecured. Among other provisions in the
credit agreement, we must satisfy certain financial covenants during the term of
the loan agreement, including, without limitation, covenants that require us to
maintain certain capital, tangible net worth, loan loss reserve,
non-performing
asset and cash flow coverage ratios. In addition, the credit agreement contains
certain operational covenants, which among others, restricts the payment of
dividends above 55% of consolidated net income, limits the incurrence of debt
(excluding any amounts acquired in an acquisition) and

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prohibits the disposal of assets except in the ordinary course of business.
Since 1995, we have historically declared dividends as a percentage of our
consolidated net income in a range of 37% (low) in 1995 to 53% (high) in 2003
and 2006. The Company was in compliance with the financial and operational
covenants at December 31, 2020. There was no outstanding balance under the line
of credit as of December 31, 2020 or 2019.
In addition, we anticipate that any future acquisition of financial
institutions, expansion of branch locations or offering of new products could
also place a demand on our cash resources. Available cash and cash equivalents
at the Company, which totaled $136.67 million at December 31, 2020, investment
securities which totaled $2.61 million at December 31, 2020 with maturities over
9 to 10 years, available dividends from our subsidiaries which totaled
$289.68 million at December 31, 2020, utilization of available lines of credit,
and future debt or equity offerings are expected to be the source of funding for
these potential acquisitions or expansions.
Given the strong core deposit base and relatively low loan to deposit ratios
maintained at our subsidiary bank, we consider our current liquidity position to
be adequate to meet our short-term and long-term liquidity needs.
Table 12 - Contractual Obligations as of December 31, 2020 (in thousands):

                                                                      

Payment Due by Period


                                                                              More than 1         More than 3
                                                           Less than 1       year but less      years but less      Over 5
                                       Total Amounts          year           than 3 years        than 5 years        years
Deposits with stated maturity dates   $       475,425     $     391,638     $        64,495     $        19,267     $    25
Operating leases                                2,577             1,094                 870                 535          78
Outsourcing service contracts                  15,278             7,469               6,002               1,807          -

Total Contractual Obligations $ 493,280 $ 400,201 $ 71,367 $ 21,609 $ 103





Amounts above for deposits do not include related accrued interest. The above
table also does not include balances related to the Company's interest rate
locks commitments ("IRLCs") and forward mortgage-backed security trades.
Off-Balance
Sheet/Reserve for Unfunded Commitments.
We are a party to financial instruments with OBS risk in the normal course of
business to meet the financing needs of our customers. These financial
instruments include unfunded lines of credit, commitments to extend credit and
federal funds sold to correspondent banks and standby letters of credit. Those
instruments involve, to varying degrees, elements of credit and interest rate
risk in excess of the amount recognized in the consolidated balance sheets. At
December 31, 2020, the Company's reserve for unfunded commitments totaled
$5.49 million which is recorded in other liabilities.
Our exposure to credit loss in the event of nonperformance by the counterparty
to the financial instrument for unfunded lines of credit, commitments to extend
credit and standby letters of credit is represented by the contractual notional
amount of these instruments. We generally use the same credit policies in making
commitments and conditional obligations as we do for
on-balance-sheet
instruments.
Unfunded lines of credit and commitments to extend credit are agreements to lend
to a customer as long as there is no violation of any condition established in
the contract. These commitments generally have fixed expiration dates or other
termination clauses and may require payment of a fee. Since many of the
commitments are expected to expire without being drawn upon, the total
commitment amounts do not necessarily represent future cash requirements. We
evaluate each customer's creditworthiness on a
case-by-case
basis. The amount of collateral obtained, as we deem necessary upon extension of
credit, is based on our credit evaluation of the counterparty. Collateral held
varies but may include accounts receivable, inventory, property, plant, and
equipment and income-producing commercial properties.
Standby letters of credit are conditional commitments we issue to guarantee the
performance of a customer to a third party. The credit risk involved in issuing
letters of credit is essentially the same as that involved in extending loan
facilities to customers. The average collateral value held on letters of credit
usually exceeds the contract amount.

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Table 13 - Commitments as of December 31, 2020 (in thousands):

                                         Total Notional                         More than 1         More than 3
                                            Amounts          Less than 1       year but less       years but less       Over 5
                                           Committed             year      

than 3 years than 5 years years Unfunded lines of credit

$        871,960     $    608,972

$ 152,592 $ 20,846 $ 89,550 Unfunded commitments to extend credit

            742,538          426,108              42,010               51,757       222,663
Standby letters of credit                         40,050           36,849               3,166                    5            30

Total Commercial Commitments            $      1,654,548     $  1,071,929     $       197,768     $         72,608     $ 312,243



We believe we have no other OBS arrangements or transactions with
unconsolidated, special purpose entities that would expose us to liability that
is not reflected on the face of the financial statements. The above table also
does not include balances related to the Company's IRLCs and forward
mortgage-backed security trades.
Parent Company Funding
. Our ability to fund various operating expenses, dividends, and cash
acquisitions is generally dependent on our own earnings (without giving effect
to our subsidiaries), cash reserves and funds derived from our subsidiaries.
These funds historically have been produced by intercompany dividends and
management fees that are limited to reimbursement of actual expenses. We
anticipate that our recurring cash sources will continue to include dividends
and management fees from our subsidiaries. At December 31, 2020, $289.68 million
was available for the payment of intercompany dividends by our subsidiaries
without the prior approval of regulatory agencies. Our subsidiaries paid
aggregate dividends to us of $87.50 million in 2020 and $84.50 million in 2019.
Dividends
. Our long-term dividend policy is to pay cash dividends to our shareholders of
approximately 35% to 40% of annual net earnings while maintaining adequate
capital to support growth. We are also restricted by a loan covenant within our
line of credit agreement with Frost Bank to dividend no greater than 55% of net
income, as defined in such loan agreement. The cash dividend payout ratios have
amounted to 35.88%, 38.31% and 36.84% of net earnings, respectively, in 2020,
2019 and 2018. Given our current capital position, projected earnings and asset
growth rates, we do not anticipate any significant change in our current
dividend policy.
Our bank subsidiary, which is a national banking association and a member of the
Federal Reserve System, is required by federal law to obtain the prior approval
of the OCC to declare and pay dividends if the total of all dividends declared
in any calendar year would exceed the total of (1) such bank's net profits (as
defined and interpreted by regulation) for that year plus (2) its retained net
profits (as defined and interpreted by regulation) for the preceding two
calendar years, less any required transfers to surplus.
To pay dividends, we and our subsidiary bank must maintain adequate capital
above regulatory guidelines. In addition, if the applicable regulatory authority
believes that a bank under its jurisdiction is engaged in or is about to engage
in an unsafe or unsound practice (which, depending on the financial condition of
the bank, could include the payment of dividends), the authority may require,
after notice and hearing, that such bank cease and desist from the unsafe
practice. The Federal Reserve Board, the FDIC and the OCC have each indicated
that paying dividends that deplete a bank's capital base to an inadequate level
would be an unsafe and unsound banking practice. The Federal Reserve, the OCC
and the FDIC have issued policy statements that recommend that bank holding
companies and insured banks should generally only pay dividends out of current
operating earnings.

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