All percentage amounts and ratios were calculated using the underlying data in
thousands. Operating results for the year ended December 31, 2019, are not
necessarily indicative of the results that may be expected for future fiscal
years. The following discussion and analysis should be read in conjunction with
our historical financial statements and the notes to those financial statements
that are included in Item 8 of Part II of this Form 10­K.

Reverse Stock Split



On September 10, 2018, we effected a one-for-10 reverse stock split of our
common stock. As a result of the reverse stock split, every 10 shares of our
pre-reverse split common stock issued and outstanding was combined and converted
into one issued and outstanding share of post-reverse split common stock without
any change in the par value of the shares. Accordingly, an amount equal to the
par value of the decreased shares resulting from the reverse stock split was
reclassified from "Common stock" to "Additional paid-in capital." No fractional
shares were issued as a result of the reverse stock split; any fractional shares
that would have resulted were rounded up to the nearest whole share.
Proportionate voting rights and other rights of stockholders were not affected
by the reverse stock split, other than as a result of the rounding up of
potential fractional shares. All stock options, warrants and restricted stock
units outstanding and common stock reserved for issuance under our equity
incentive plans immediately prior to the reverse stock split were adjusted by
dividing the number of affected shares of common stock by 10 and, where
applicable, multiplying the exercise price by 10. All share and per share
amounts related to common stock, stock options, warrants and restricted stock
units have been restated for all periods to give retroactive effect to the
reverse stock split.

Overview



VIVUS is a specialty pharmaceutical company with three approved therapies and
one product candidate in clinical development. Qsymia® (phentermine and
topiramate extended release) is approved by FDA for chronic weight management.
In June 2018, we acquired the U.S. and Canadian commercial rights for
PANCREAZE®/PANCREASE® MT (pancrelipase), which is indicated for the treatment of
exocrine pancreatic insufficiency ("EPI") due to cystic fibrosis or other
conditions. STENDRA® (avanafil) is approved by FDA for erectile dysfunction
("ED") and by the EC under the trade name SPEDRA, for the treatment of ED in the
EU. VI-0106 (tacrolimus) is in clinical development and is being studied in
patients with pulmonary arterial hypertension ("PAH").

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Business Strategy

In April 2018, we added John Amos as our new Chief Executive Officer and a
member of the VIVUS Board of Directors. With the addition of Mr. Amos, we
announced a turnaround plan of building a portfolio of cash flow generating
assets to leverage our expertise in commercializing specialty pharmaceutical
assets. In June 2018, we completed the first acquisition under this strategy as
we acquired all product rights for PANCREAZE (pancrelipase) in the United States
and PANCREASE MT in Canada for $135.0 million in cash from Janssen
Pharmaceuticals. PANCREAZE/PANCREASE MT is a prescription medicine used to treat
people who cannot digest food normally because their pancreas does not make
enough enzymes due to cystic fibrosis or other conditions. We are supporting
PANCREAZE in the U.S. market by leveraging our existing commercial
infrastructure and 10 sales representatives in the U.S. focused on
gastro-intestinal and cystic fibrosis physicians.

In June of 2018, we issued $110.0 million of 10.375% 2024 Notes ("2024 Notes")
with affiliates of Athyrium Capital Management ("Athyrium"). Concurrent with the
issuance of the 2024 Notes, we issued warrants to purchase 0.3 million shares of
our common stock to the note holders. Additionally, concurrent with the issuance
of the 2024 Notes, we repurchased Convertible Notes held by Athyrium, with a
face value of $60.0 million, at a discount to par plus accrued interest. In
October 2018, we settled a purchase of approximately $8.6 million outstanding
principal amount of our Convertible Notes for approximately $7.1 million plus
accrued interest. In September 2019, we repurchased $48.6 million aggregate
principal amount of our 2024 Notes plus prepayment premiums of an aggregate of
$6.4 million.

As of December 31, 2019, we had a total of $241.7 million of outstanding debt,
$181.4 million of which is due in May 2020. We do not currently have sufficient
cash and/or credit facilities in place to address the debt due May 2020 and thus
are actively pursuing funding, which may come through public or private debt or
equity financings, collaborations or other available financing sources. Such
funding may not be available on acceptable terms, or at all. If additional funds
are raised by issuing equity securities, substantial dilution to existing
stockholders may result. If adequate funds are not available, we will not be
able to continue our operations at our current level and may be required to
relinquish rights to certain of our technologies, product candidates or products
that we would otherwise seek to develop on our own. We might also be required to
delay, reduce the scope of or eliminate one or more of our commercialization or
development programs or obtain funds through collaborations with others that are
on unfavorable terms or restructure VIVUS in other ways that may not be
favorable. Even if adequate funds become available, we may need to raise
additional funds in the near future to finance operations and pursue development
and commercial opportunities.

Commercial Products

Qsymia

FDA approved Qsymia in July 2012 as an adjunct to a reduced calorie diet and
increased physical activity for chronic weight management in adult obese or
overweight patients in the presence of at least one weight related comorbidity,
such as hypertension, type 2 diabetes mellitus or high cholesterol, or
dyslipidemia. Qsymia incorporates a proprietary formulation combining low doses
of the active ingredients from two approved drugs, phentermine and topiramate.
Although the exact mechanism of action is unknown, Qsymia is believed to
suppress appetite and increase satiety, or the feeling of being full, the two
main mechanisms that impact eating behavior.

We commercialize Qsymia in the U.S. through a specialty sales force who promote
Qsymia to physicians. Our sales efforts are focused on maintaining a commercial
presence with high volume prescribers of anti-obesity products. Our marketing
efforts have focused on rolling out unique programs to encourage targeted
prescribers to gain more experience with Qsymia with their obese or overweight
patient population. In 2019, we introduced the Qsymia Advantage program to reach
more of our intended patient population. The Qsymia Advantage program includes
patient education resources and access to a home delivery in addition to new
pricing.

We continue to invest in digital media in order to amplify our messaging to
information-seeking consumers. The digital messaging encourages those consumers
most likely to take action to speak with their physicians about obesity
treatment options. We believe our enhanced digital strategies deliver clear and
compelling communications to potential patients. We utilize a patient savings
plan to further drive Qsymia brand preference at the point of prescription and
to encourage long-term use of the brand.

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In September 2017, we entered into a license and commercialization agreement
(the "Alvogen License Agreement") and a commercial supply agreement (the
"Alvogen Supply Agreement") with Alvogen Malta Operations (ROW) Ltd ("Alvogen").
Under the terms of the Alvogen License Agreement, Alvogen is solely responsible
for obtaining and maintaining regulatory approvals for all sales and marketing
activities for Qsymia in South Korea. We received an upfront payment of $2.5
million in September 2017 and a payment of $2.5 million in September 2019 upon
achieving marketing authorization. We are eligible to receive additional
payments upon Alvogen achieving commercial launch and reaching a sales
milestone. Additionally, we will receive a royalty on Alvogen's Qsymia net sales
in South Korea. Under the Alvogen Supply Agreement, we will supply product to
Alvogen on an exclusive basis.

In October 2019, we announced that European regulatory agencies in Sweden,
Denmark, Finland, Iceland, Norway, and Poland (the "Concerned Member States")
have accepted the Marketing Authorization Application (the "MAA") for Qsymia on
a decentralized basis, with Sweden acting as the lead. Under the decentralized
MAA procedure, the regulatory authorities in each of the Concerned Member States
may simultaneously provide Marketing Authorization for use of a product within
those specific countries. Based on the decentralized MAA procedure timelines, we
anticipate the completion of the MAA assessment in the second half of 2020.

In December 2019, we announced the results of a pharmacokinetic and
pharmacodynamic study demonstrating that Qsymia capsules CIV has favorable
pharmacokinetic, efficacy, and safety/tolerability profiles when used for eight
weeks to treat adolescents with obesity. The study was conducted in order to
establish dosing levels for the ongoing Phase 4 post-marketing study of Qsymia
in obese adolescents. The primary objective of the study was to describe the
pharmacokinetic profiles of Qsymia after administration in adolescents with
obesity.

PANCREAZE/PANCREASE MT



In June 2018, we acquired the commercial rights to PANCREAZE and PANCREASE MT in
the U.S. and Canada. Prior to the acquisition, PANCREAZE/PANCREASE MT had been
commercialized by Janssen. In connection with the acquisition of
PANCREAZE/PANCREASE MT, we and Janssen also entered into transition services
agreements pursuant to which Janssen and a Canadian affiliate of Janssen
provided certain transition services to us in the U.S. and Canada as we
transitioned to full control over the PANCREAZE/PANCREASE MT supply chain, which
was completed in the first quarter of 2019. In the first quarter of 2019, we
relaunched PANCREAZE in the U.S. by leveraging our existing commercial
infrastructure and expanding it to include 10 additional contract sales
representatives in the U.S. focused on gastro-intestinal and cystic fibrosis
physicians. We also introduced the PANCREAZE Advantage program, which is
intended to enhance patient access and improve the patient experience with
patient and physician educational materials, a patient support program, and
patient and payment assistance. We transitioned to direct sales in Canada in the
third quarter of 2019. We have also prioritized supply chain improvement,
working capital management and moving PANCREAZE/PANCREASE MT back into the view
of the medical community. In February 2020, FDA approved the supplemental New
Drug Application for an improved formulation of PANCREAZE that extends the shelf
life to 36 months across all PANCREAZE dosages.

Approved in 2010, PANCREAZE/PANCREASE MT is a pancreatic enzyme preparation
consisting of pancrelipase, an extract derived from porcine pancreatic glands,
as well as other enzyme classes, including porcine-derived lipases, proteases
and amylases. PANCREAZE/PANCREASE MT is specifically indicated for the treatment
of exocrine pancreatic insufficiency ("EPI"). EPI is a condition that results
from a deficiency in the production and/or secretion of pancreatic enzymes. It
is associated with cystic fibrosis, chronic pancreatitis, pancreatic cancer and
other conditions, and affects approximately 85 percent of cystic fibrosis
patients. There is no cure for EPI and pancreatic enzyme replacement therapy is
the primary treatment for the condition.

STENDRA/SPEDRA

STENDRA is an oral phosphodiesterase type 5 ("PDE5") inhibitor that we have licensed from Mitsubishi Tanabe Pharma Corporation ("MTPC"). FDA approved STENDRA in April 2012 for the treatment of ED in the United States. In June 2013, the EC adopted a decision granting marketing authorization for SPEDRA, the approved trade name for avanafil in the EU, for the treatment of ED in the EU.



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The Menarini Group, through its subsidiary Berlin Chemie AG ("Menarini"), is our
exclusive licensee for the commercialization and promotion of SPEDRA for the
treatment of ED in over 40 countries, including the EU Member States. In
addition, Menarini licensed rights directly from MTPC to commercialize avanafil
in certain Asian territories. We receive royalties from Menarini based on SPEDRA
net sales and are entitled to receive future milestone payments based on certain
net sales targets. Menarini will also reimburse us for payments made to cover
various obligations to MTPC during the term of the Menarini License Agreement.
Menarini obtains SPEDRA exclusively from us.

Metuchen Pharmaceuticals LLC ("Metuchen") is our exclusive licensee for the
development, commercialization and promotion of STENDRA in the United States,
Canada, South America and India. Metuchen reimburses us for payments made to
cover royalty and milestone obligations to MTPC, but otherwise owes us no future
royalties. Metuchen obtains STENDRA exclusively from us. On September 30, 2019,
Metuchen provided a written notice of termination of our supply agreement with
them effective September 30, 2021.

We are currently in discussions with potential collaboration partners to develop, market and sell STENDRA/SPEDRA for territories in which we do not currently have a commercial collaboration, including Africa, the Middle East, Turkey, Russia, Mexico and Central America.

Product Development Pipeline and Life Cycle Management

VI-0106 - Pulmonary Arterial Hypertension



PAH is a chronic, life-threatening disease characterized by elevated blood
pressure in the pulmonary arteries, which are the arteries between the heart and
lungs, due to pathologic proliferation of epithelial and vascular smooth muscle
cells in the lining of these blood vessels and excess vasoconstriction.
Pulmonary blood pressure is normally between 8 and 20 mmHg at rest as measured
by right heart catheterization. In patients with PAH, the pressure in the
pulmonary artery is greater than 25 mmHg at rest or 30 mmHg during physical
activity. These high pressures make it difficult for the heart to pump blood
through the lungs to be oxygenated.

The current medical therapies for PAH involve endothelin receptor antagonists,
PDE5 inhibitors, prostacyclin analogues, selective prostaglandin I2 receptor
agonists, and soluble guanate cyclase stimulators, all of which have been shown
to effectively dilate arterioles in the pulmonary circulation, to reduce
symptoms and improve quality of life. While currently approved products treat
the symptoms of PAH, they do little to address the pathologic cell proliferation
that is the underlying cause of the disease. We believe that tacrolimus can be
used to enhance bone morphogenetic protein receptor type 2 ("BMPR2") signaling.
BMPR2 signaling has been shown to be reduced in PAH patients,  and this
reduction in signaling is an important factor leading to cell proliferation
within the pulmonary arteries. By restoring BMPR2 signaling, tacrolimus may
therefore address a fundamental cause of PAH.

The prevalence of PAH varies among specific populations, but it is estimated at
between 15 and 50 cases per million adults. PAH usually develops between the
ages of 20 and 60 but can occur at any age, with a mean age of diagnosis around
45 years. Idiopathic PAH is the most common type, constituting approximately 40%
of the total diagnosed PAH cases, and occurs two to four times more frequently
in females.

On January 6, 2017, we acquired the exclusive, worldwide rights for the
development and commercialization of BMPR2 activators for the treatment of PAH
and related vascular diseases from Selten Pharma, Inc. ("Selten"). Selten
assigned to us its license to a group of patents owned by the Board of Trustees
of the Leland Stanford Junior University ("Stanford") which cover uses of
tacrolimus and ascomycin to treat PAH. We paid Selten an upfront payment of $1.0
million, and we will pay additional milestone payments based on global
development status and future sales milestones, as well as tiered royalty
payments on future sales of these compounds. The total potential milestone
payments are $39.0 million to Selten. We have assumed full responsibility for
the development and commercialization of the licensed compounds for the
treatment of PAH and related vascular diseases.

In October 2017, we held a pre-IND meeting with FDA for VI-0106, our proprietary
formulation of tacrolimus for the treatment of PAH. FDA addressed our questions
related to preclinical, nonclinical and clinical data and the planned design of
clinical trials of tacrolimus in class 3 and 4 PAH patients, and clarified the
requirements needed to file an IND to initiate a clinical trial in this
indication. As discussed with FDA, we currently intend to design and conduct
clinical trials that could qualify for Fast Track and/or Breakthrough Therapy
designation.

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Tacrolimus for the treatment of PAH has received Orphan Drug Designation from
FDA in the U.S. and the EU on the basis of a scientific opinion adopted by the
Committee for Orphan Medicinal Products of the European Medicines Agency in the
EU. We are focusing on the development of a proprietary oral formulation of
tacrolimus to be used in a clinical development program and, if approved, for
commercial use. If we are successful in our development efforts, we anticipate
filing an IND with FDA and completing the development of our proprietary
formulation of tacrolimus in the second half of 2020. We are currently seeking
alternatives for financing the development of tacrolimus.

Qsymia for Additional Indications

We are currently considering further development of Qsymia for the treatment of various diseases, including obstructive sleep apnea and nonalcoholic steatohepatitis ("NASH").

NOL Rights Plan



On December 30, 2019, our Board of Directors adopted a new stockholder rights
plan to replace the Company's stockholder rights plan that expired on November
9, 2019. Under the new rights plan, we issued a dividend of one right for each
share of our common stock held by stockholders of record as of the close of
business on January 13, 2020. The new rights plan is designed to protect
stockholder value by mitigating the likelihood of an "ownership change" that
would result in significant limitations to our ability to use our net operating
losses or other tax attributes to offset future income. The new rights plan is
similar to rights plans adopted by other public companies with significant net
operating loss carryforwards

The new rights plan provides, subject to certain exceptions, that if any person
or group acquires 4.9% or more of the Company's outstanding common stock, there
would be a triggering event potentially resulting in significant dilution in the
voting power and economic ownership of that person or group. Existing
stockholders who hold 4.9% or more of the Company's outstanding common stock as
of the date of the new rights plan will trigger a dilutive event only if they
acquire an additional 1% of the outstanding shares of VIVUS common stock.

The new rights plan will continue in effect until December 30, 2022, unless
earlier terminated or the rights are earlier exchanged or redeemed by the Board
of Directors. We expect to submit the new rights plan to a vote at our 2020
annual meeting of stockholders. If stockholders do not approve the plan at the
2020 annual meeting, it will expire at the close of business on the following
day.

Critical Accounting Policies and Estimates



The discussion and analysis of our financial condition and results of operations
are based upon our consolidated financial statements, which have been prepared
in accordance with accounting principles generally accepted in the U.S. The
preparation of these financial statements requires us to make estimates and
judgments that affect the reported amounts of assets, liabilities, revenues,
expenses and related disclosures. On an ongoing basis, we evaluate our
estimates, including those related to available­for­sale securities, research
and development expenses, income taxes, inventories, revenues, including
revenues from multiple­element arrangements, contingencies and litigation and
share­based compensation. We base our estimates on historical experience,
information received from third parties and on various market specific and other
relevant assumptions that are believed to be reasonable under the circumstances,
the results of which form the basis for making judgments about the carrying
values of assets and liabilities that are not readily apparent from other
sources. Actual results may differ significantly from these estimates under
different assumptions or conditions. Our significant accounting policies are
more fully described in Note 1 to our Consolidated Financial Statements included
elsewhere in this report.

We believe the following critical accounting policies affect our more significant judgments and estimates used in the preparation of our consolidated financial statements:



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Revenue Recognition

For all revenue transactions, we evaluate our contracts with our customers to determine revenue recognition using the following five-step model:

1)We identify the contract(s) with a customer;

2)We identify the performance obligations in the contract;

3)We determine the transaction price;

4)We allocate the transaction price to the identified performance obligations; and

5)We recognize revenue when (or as) the entity satisfies a performance obligation.

Product Revenue



Product revenue is recognized at the time of shipment at which time we have
satisfied our performance obligation. Product revenue is recognized net of
consideration paid to our customers, wholesalers and certified pharmacies. Such
consideration is for services rendered by the wholesalers and pharmacies in
accordance with the wholesalers and certified pharmacy services network
agreements, and includes a fixed rate per prescription shipped and monthly
program management and data fees. These services are not deemed sufficiently
separable from the customers' purchase of the product; therefore, they are
recorded as a reduction of revenue at the time of revenue recognition.

Other product revenue allowances include a reserve for estimated product
returns, certain prompt pay discounts and allowances offered to our customers,
program rebates and chargebacks. These product revenue allowances are recognized
as a reduction of revenue at the date at which the related revenue is
recognized. We also offer discount programs to patients. Calculating certain of
these items involves estimates and judgments based on sales or invoice data,
contractual terms, utilization rates, new information regarding changes in these
programs' regulations and guidelines that would impact the amount of the actual
rebates or chargebacks. We review the adequacy of product revenue allowances on
a quarterly basis. Amounts accrued for product revenue allowances are adjusted
when trends or significant events indicate that adjustment is appropriate and to
reflect actual experience. See Note 9 to our consolidated financial statements
for product reserve balances.

Change in Accounting Estimate in 2017



We ship units of Qsymia through a distribution network that includes certified
retail pharmacies. We began shipping Qsymia in September 2012, and we grant
rights to our customers to return unsold product from six months prior to and up
to 12 months subsequent to product expiration. This has resulted in a potential
return period of from 24 to 36 months depending on the ship date of the product.
As we had no previous experience in selling Qsymia and given the lengthy return
period, we were not initially able to reliably estimate expected returns of
Qsymia at the time of shipment, which was required by the accounting literature
at the time, and we therefore recognized revenue when units were dispensed to
patients through prescriptions, at which point the product was not subject to
return, or when the expiration period had ended.

Beginning in the first quarter of 2017, with 48 months of returns experience, we
believed that we had sufficient data and experience from selling Qsymia to
reliably estimate expected returns. Therefore, beginning in the first quarter of
2017, under the then relevant accounting literature, we began recognizing
revenue from the sales of Qsymia upon shipment and recording reserves for
expected returns, discounts and fees at the time of shipment.

In accordance with this change in accounting estimate, in the first quarter of
2017 we recognized a one-time adjustment relating to products that had been
previously shipped, consisting of $17.9 million of gross revenues, adjusted for
an expected returns reserve of $5.7 million and estimated gross-to-net charges
of $4.9 million, for a net impact of $7.3 million in revenues. We also recorded
increased cost of goods sold of $0.6 million and marketing expense of $0.7
million associated with the change in accounting estimate. The increase in net
product revenue resulted in a decrease in net loss of $6.0 million or $0.57 per
share in 2017.

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The following table summarizes the activity in the accounts related to Qsymia and PANCREAZE product revenue allowances (in thousands):




                                                                  Wholesaler/
                                       Product      Discount       Pharmacy          Cash         Rebates/
                                       Returns      Programs         Fees         Discounts      Chargebacks       Total
Balance at January 1, 2017           $         -   $  (1,007)    $     (1,280)    $    (213)    $       (101)    $  (2,601)
Current provision related to sales
made during current period*              (9,251)     (20,806)          (6,673)       (1,344)          (1,174)      (39,248)
Payments                                   1,397       17,429            6,870         1,362              991        28,049
Balance at December 31, 2017             (7,854)      (4,384)          (1,083)         (195)            (284)      (13,800)
Current provision related to sales
made during current period*             (11,428)     (13,908)          (6,937)       (1,327)          (6,001)      (39,601)
Payments                                   4,404       15,991            7,017         1,370            1,317        30,099
Balance at December 31, 2018            (14,878)      (2,301)         

(1,003) (152) (4,968) (23,302) Current provision related to sales made during current period*

             (11,787)     (11,726)          

(9,510) (1,966) (9,719) (44,708) Payments

                                  11,791       11,537            9,122         1,866           11,905        46,221

Balance at December 31, 2019 $ (14,874) $ (2,490) $ (1,391) $ (252) $ (2,782) $ (21,789)

--------------------------------------------------------------------------------


*Current provision related to sales made during current period includes $44.4
million,  $39.1 million and $38.7 million for product revenue allowances related
to revenue recognized during the years ended December 31, 2019, 2018 and 2017,
respectively. The remaining amounts for the respective years were recorded on
the consolidated balance sheets as deferred revenue at the end of each period.

Supply Revenue



We produce STENDRA or SPEDRA through a contract manufacturing partner and then
sell it to our commercialization partners. We are the primary responsible party
in the commercial supply arrangements and bear significant risk in the
fulfillment of the obligations, including risks associated with manufacturing,
regulatory compliance and quality assurance, as well as inventory, financial and
credit loss. As such, we recognize supply revenue on a gross basis as the
principal party in the arrangements. We recognize supply revenue at the time of
shipment and, in the unusual case where the product does not meet contractually
specified product dating criteria at the time of shipment to the partner, we
record a reserve for estimated product returns. There are no such reserves as of
December 31, 2019.

License and Milestone Revenue



License and milestone revenues related to arrangements, usually license and/or
supply agreements, entered into by us are recognized by following the five-step
process outlined above. The allocation and timing of recognition of such revenue
will be determined by that process and the amounts recognized and the timing of
that recognition may not exactly follow the wording of the agreement as the
amount allocated following the accounting analysis of the agreement may differ
and the timing of recognition of a significant performance obligation may
predate the contractual date.

Royalty Revenue

We rely on data provided by our collaboration partners in determining our contractually based royalty revenue. Such data includes accounting estimates and reports for various discounts and allowances, including product returns. We record royalty revenues based on the best data available and make any adjustments to such revenues as such information becomes available.

Inventories



Inventories are valued at the lower of cost or net realizable value. Cost is
determined using the first in, first out method using a weighted average cost
method calculated for each production batch. Inventory includes the cost of the
active pharmaceutical ingredients ("API"), raw materials and third-party
contract manufacturing and packaging services.

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Indirect overhead costs associated with production and distribution are
allocated to the appropriate cost pool and then absorbed into inventory based on
the units produced or distributed, assuming normal capacity, in the applicable
period.

Inventory costs of product shipped to customers, but not yet recognized as revenue, are recorded within inventories on the consolidated balance sheets and are subsequently recognized to cost of goods sold when revenue recognition criteria have been met.



Our policy is to write down inventory that has become obsolete, inventory that
has a cost basis in excess of its expected net realizable value and inventory in
excess of expected requirements. The estimate of excess quantities is subjective
and primarily dependent on our estimates of future demand for a particular
product. If the estimate of future demand is inaccurate based on lower actual
sales, we may increase the write down for excess inventory for that product and
record a charge to inventory impairment.

Research and Development Expenses



Research and development ("R&D") expenses include license fees, related
compensation, consultants' fees, facilities costs, administrative expenses
related to R&D activities and clinical trial costs incurred by clinical research
organizations or CROs, and research institutions under agreements that are
generally cancelable, among other related R&D costs. We also record accruals for
estimated ongoing clinical trial costs. Clinical trial costs represent costs
incurred by CRO and clinical sites and include advertising for clinical trials
and patient recruitment costs. These costs are recorded as a component of R&D
expenses and are expensed as incurred. Under our agreements, progress payments
are typically made to investigators, clinical sites and CROs. We analyze the
progress of the clinical trials, including levels of patient enrollment,
invoices received and contracted costs when evaluating the adequacy of accrued
liabilities. Significant judgments and estimates must be made and used in
determining the accrued balance in any accounting period. Actual results could
differ from those estimates under different assumptions. Revisions are charged
to expense in the period in which the facts that give rise to the revision
become known.

In addition, we have obtained rights to patented intellectual properties under
several licensing agreements for use in research and development activities.
Non-refundable licensing payments made for intellectual properties that have no
alternative future uses are expensed to research and development as incurred.

Share­Based Payments



Compensation expense is recognized for share-based payments, including stock
options, restricted stock units and shares issued under the employee stock
purchase plan, using a fair value based method. We estimate the fair value of
share based payment awards on the date of the grant using the Black Scholes
option pricing model, which requires us to estimate the expected term of the
award, the expected volatility, the risk-free interest rate and the expected
dividends. The expected term, which represents the period of time that options
granted are expected to be outstanding, is derived by analyzing the historical
experience of similar awards, giving consideration to the contractual terms of
the share based awards, vesting schedules and expectations of future employee
behavior. Expected volatilities are estimated using the historical share price
performance over the expected term of the option, which are adjusted as
necessary for any other factors which may reasonably affect the volatility of
VIVUS's stock in the future. The risk-free interest rate is based on the U.S.
Treasury yield in effect at the time of the grant for the expected term of the
award. We do not anticipate paying any dividends in the near future. We develop
pre-vesting forfeiture assumptions based on an analysis of historical data.

Share­based compensation expense is allocated among cost of goods sold, research
and development and selling, general and administrative expenses, or included in
the inventory carrying value and absorbed into inventory, based on the function
of the related employee.

Fair Value Measurements

Fair value is defined as the exchange price that would be received for an asset
or paid to transfer a liability in the principal or most advantageous market for
the asset or liability in an orderly transaction between market participants on
the measurement date. Three levels of inputs are used to measure fair value. The
three levels are as follows: Level 1, defined as observable inputs such as
quoted market prices in active markets; Level 2, defined as inputs other than
the quoted prices in active markets that are either directly or indirectly
observable; and Level 3, defined as significant unobservable inputs in which
little or no market data exists.

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Our financial instruments include cash equivalents, available for sale
securities, accounts receivable, accounts payable, accrued liabilities and debt.
Available-for-sale securities are carried at fair value. The carrying value of
cash equivalents, accounts receivable, accounts payable and accrued liabilities
approximate their fair value due to the relatively short-term nature of these
instruments. Debt instruments are initially recorded at face value, with stated
interest and amortization of debt issuance discounts and costs recognized as
interest expense.

Our convertible notes contain a conversion option that is classified as equity.
We determined the fair value of the liability component of the debt instrument
and allocated the excess amount of $95.3 million from the initial proceeds to
the conversion option in additional paid-in capital. The fair value of the debt
component was determined by estimating a risk adjusted interest rate, or market
yield, at the time of issuance for similar notes that do not include the
conversion feature. This excess is reported as a debt discount and is amortized
as non-cash interest expense, using the effective-interest method, over the
expected life of the convertible notes. The convertible notes are recorded in
the balance sheet as a component of long-term debt.

Issuance costs related to the conversion feature of the convertible notes were
charged to additional paid in capital. The portion of the issuance costs related
to the debt component is being amortized and recorded as additional interest
expense over the expected life of the convertible notes. In connection with the
issuance of the convertible notes, we entered into capped call transactions with
certain counterparties affiliated with the underwriters. The fair value of the
purchased capped calls of $34.7 million was recorded to additional paid-in
capital.

Concentration of Credit Risk



Financial instruments that potentially subject us to concentrations of credit
risk consist primarily of cash, cash equivalents, available for sale securities,
and accounts receivable. We have established guidelines to limit its exposure to
credit risk by placing investments in high credit quality money market funds,
U.S. Treasury securities or corporate debt securities and by placing investments
with maturities that maintain safety and liquidity within our liquidity needs.
We have also established guidelines for the issuance of credit to existing and
potential customers.

Accounts Receivable, Allowances for Doubtful Accounts and Cash Discounts



We extend credit to our customers for product sales resulting in accounts
receivable. Customer accounts are monitored for past due amounts. Amounts that
are determined to be uncollectible are written off against the allowance for
doubtful accounts. Allowances for doubtful accounts are estimated based upon
past due amounts, historical losses and existing economic factors, and are
adjusted periodically. Historically, we have not had any significant uncollected
accounts. We offer cash discounts to its customers, generally 2% of the sales
price, as an incentive for prompt payment. The estimate of cash discounts is
recorded at the time of sale. We account for the cash discounts by reducing
revenue and accounts receivable by the amount of the discounts it expects the
customers to take. The accounts receivable are reported in the consolidated
balance sheets, net of the allowances for doubtful accounts and cash
discounts. There was no allowance for doubtful accounts at December 31, 2019 or
2018.

Income Taxes

We make certain estimates and judgments in determining income tax expense for
financial statement purposes. These estimates and judgments occur in the
calculation of certain tax assets and liabilities, which arise from differences
in the timing of recognition of revenue and expense for tax and financial
statement purposes.

As part of the process of preparing our consolidated financial statements, we
are required to estimate our income taxes in each of the jurisdictions in which
we operate. This process involves estimating our current tax exposure under the
most recent tax laws and assessing temporary differences resulting from
differing treatment of items for tax and accounting purposes. These differences
result in deferred tax assets and liabilities, which are included in our
consolidated balance sheets.

We assess the likelihood that we will be able to recover our deferred tax
assets. We consider all available evidence, both positive and negative,
including historical levels of income, expectations and risks associated with
estimates of future taxable income and ongoing prudent and feasible tax planning
strategies in assessing the need for a valuation allowance. If it is not more
likely than not that we will recover its deferred tax assets, we will increase
our provision for taxes by recording a valuation allowance against the deferred
tax assets that we estimate will not ultimately

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be recoverable. As a result of our analysis of all available evidence, both
positive and negative, as of December 31, 2019, it was considered more likely
than not that our deferred tax assets would not be realized. However, should
there be a change in our ability to recover its deferred tax assets, we would
recognize a benefit to our tax provision in the period in which we determine
that it is more likely than not that we will recover its deferred tax assets.

We recognize interest and penalties accrued on any unrecognized tax benefits as a component of our provision for income taxes.

Contingencies and Litigation



We are periodically involved in disputes and litigation related to a variety of
matters. When it is probable that we will experience a loss, and that loss is
quantifiable, we record appropriate reserves. We record legal fees and costs as
an expense when incurred.

RESULTS OF OPERATIONS

Revenues


                                                Years Ended December 31,              Increase/(Decrease)

(in thousands, except for percentages) 2019 2018 2017

     2019 vs 2018       2018 vs 2017
Qsymia-Net product revenue                 $   37,750   $  40,558   $  44,983        (7) %               (10) %

PANCREAZE/PANCREASE MT-Net product revenue 21,299 16,226 - 31 %

                N/A
License and milestone revenue                   2,500           -       7,500        N/A                (100) %
Qsymia-Supply revenue                           1,186           -           -        N/A                  N/A
STENDRA/SPEDRA-Supply revenue                   3,448       4,863      10,407       (29) %               (53) %
STENDRA/SPEDRA-Royalty revenue                  2,020       2,307       2,483       (12) %                (7) %
PANCREASE MT-Royalty revenue                    1,557       1,108           -         41 %                N/A
Total revenue                              $   69,760   $  65,062   $  65,373          7 %                (0) %




Net product revenue

In the first quarter of 2017, we began recognizing revenue from the sales of
Qsymia upon shipment and recording reserves for expected returns, discounts and
fees at the time of shipment.  Revenue for 2017 includes gross Qsymia product
revenue of $17.9 million and net Qsymia product revenue of $7.3 million related
to shipments which had previously been deferred. Excluding this one-time
adjustment, Qsymia net product revenue for 2017 was $37.6 million.

The following table reconciles gross Qsymia product revenue to net Qsymia product revenue (in thousands):




                                              Year Ended December 31,
                                          2019          2018          2017
          Gross Qsymia product revenue $   63,197    $   66,513    $   85,044
          Returns & allowances            (1,082)       (2,967)       (9,251)
          Discount programs              (15,849)      (13,703)      (20,129)
          Wholesaler/Pharmacy fees        (6,063)       (6,704)       (7,728)
          Cash discounts                  (1,062)       (1,327)       (1,697)
          Rebates/Chargebacks             (1,391)       (1,254)       (1,256)
          Net Qsymia product revenue   $   37,750    $   40,558    $   44,983


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The following table reconciles gross PANCREAZE/PANCREASE MT product revenue to net PANCREAZE/PANCREASE MT product revenue (in thousands):




                                                      Year Ended December 31,
                                                     2019         2018       2017

     Gross PANCREAZE/PANCREASE MT product revenue $   45,231    $  30,717    $   -
     Returns & allowances                           (10,704)      (8,460)        -
     Discount programs                                  (23)            -        -
     Wholesaler/Pharmacy fees                        (3,974)        (381)        -
     Cash discounts                                    (903)        (604)        -
     Rebates/Chargebacks                             (8,328)      (5,046)        -
     Net PANCREAZE/PANCREASE MT product revenue   $   21,299    $  16,226    $   -


Prescriptions are as follows:


                                                            Year Ended December 31,
                                                          2019        2018       2017
  Qsymia units shipped (in thousands)                     331         349         441
  Qsymia prescriptions dispensed (in thousands)           337         360         395
  PANCREAZE/PANCREASE MT units shipped (in thousands)     115          73           -


Units shipped represent our direct shipments into the sales channel. We expect
net Qsymia product revenue in 2020 to be consistent with or increase from 2019
levels due to new marketing and distribution efforts. We anticipate that future
PANCREAZE/PANCREASE MT product revenue will increase from 2019 levels but will
fluctuate from period to period based on our wholesalers' management of the
supply chain and the impact of our relaunch efforts. Also, we anticipate that
future PANCREAZE/PANCREASE MT net product revenue will continue to be negatively
impacted by potential future promotional strategies, including coupon programs.

License and milestone revenue



License and milestone revenue for 2019 related to contractual payments due to us
upon Alvogen receiving marketing authorization in South Korea. License and
milestone revenue for 2017 consisted of a one-time $5.0 million payment earned
for a license to certain clinical data related to phentermine and $2.5 million
of license fees earned under the Alvogen License Agreement for commercial rights
to Qsymia in South Korea.

License and milestone revenues are dependent on the timing of entering into new
collaborations and the timing of our collaborators meeting certain milestone
events. As a result, our license and milestone revenue will fluctuate materially
between periods.

Supply revenue

We supply Qsymia and STENDRA/SPEDRA to our collaboration partners on a cost-plus
basis. The variations in supply revenue are a result of the timing of orders
placed by our partners and may or may not reflect end user demand.  The timing
of purchases by our commercialization partners will be affected by, among other
items, their minimum purchase commitments, end user demand, and distributor
inventory levels. As a result, supply revenue has and will continue to fluctuate
materially between reporting periods.

Royalty revenue



We record royalty revenue related to sales of STENDRA/SPEDRA and Canadian sales
of PANCREASE MT based on reports provided by our partners. Upon taking over
operations for Canadian sales for PANCREASE MT, including ownership of the
Canadian inventory in the third quarter of 2019, net sales of PANCREASE MT began
to be recorded as net product revenue with costs recorded as cost of goods sold.
We expect STENDRA/SPEDRA royalty revenue in 2019 to remain relatively consistent
with current levels.

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Cost of goods sold and Amortization of intangible assets




                                                         Year Ended 

December 31, 2019


                                                   PANCREAZE/ PANCREASE
(In thousands, except percentages)    Qsymia                MT             STENDRA/ SPEDRA        Total
Net product revenue                $ 37,750        $   21,299             $          -        $ 59,049
Supply revenue                        1,186                 -                    3,448           4,634

Total product and supply revenue 38,936 100% $ 21,299 100% $

3,448 100% $ 63,683 100%



Cost of goods sold (excluding
amortization)                         5,775  15%   $    6,460       30%   $      3,436 100%   $ 15,671  25%
Amortization of intangible assets       362   1%       14,190       67%              -   0%     14,552  23%
Total cost of goods sold              6,137  16%   $   20,650       97%   $ 

3,436 100% $ 30,223 47%

Product and supply gross margins $ 32,799 84% $ 649 3% $

         12   0%   $ 33,460  53%

                                                         Year Ended December 31, 2018
                                                   PANCREAZE/ PANCREASE
                                      Qsymia                MT             STENDRA/ SPEDRA        Total
Net product revenue                $ 40,558        $   16,226             $          -        $ 56,784
Supply revenue                            -                 -                    4,863           4,863

Total product and supply revenue $ 40,558 100% $ 16,226 100% $

4,863 100% $ 61,647 100%



Cost of goods sold (excluding
amortization)                      $  4,693  12%   $    5,156       32%   $      4,764  98%   $ 14,613  24%
Amortization of intangible assets  $    363   1%   $    8,277       51%   $          -   0%   $  8,640  14%
Total cost of goods sold           $  5,056  12%   $   13,433       83%   $ 

4,764 98% $ 23,253 38%

Product and supply gross margins $ 35,502 88% $ 2,793 17% $

         99   2%   $ 38,394  62%

                                                         Year Ended December 31, 2017
                                                   PANCREAZE/ PANCREASE
                                      Qsymia                MT             STENDRA/ SPEDRA        Total
Net product revenue                $ 44,983        $        -             $          -        $ 44,983
Supply revenue                            -                 -                   10,407          10,407
Total product and supply revenue   $ 44,983 100%   $        -             $ 

10,407 100% $ 55,390 100%



Cost of goods sold (excluding
amortization)                      $  6,993  16%   $        -             $      9,650  93%   $ 16,643  30%
Amortization of intangible assets  $    544   1%   $        -             $          -   0%   $    544   1%
Total cost of goods sold           $  7,537  17%   $        -             $ 

9,650 93% $ 17,187 31%



Product and supply gross margins   $ 37,446  83%   $        -             $        757   7%   $ 38,203  69%




Cost of goods sold for Qsymia includes the inventory costs of API, third party
contract manufacturing and packaging and distribution costs, royalties, cargo
insurance, freight, shipping, handling and storage costs, and overhead costs of
the employees involved with production. Cost of goods sold for
PANCREAZE/PANCREASE MT includes third party contract manufacturing costs,
amortization of the PANCREAZE/PANCREASE MT license, service fees, royalties,
insurance, and overhead costs. Cost of goods sold for STENDRA/SPEDRA shipped to
our commercialization partners includes the inventory costs of API and
tableting. Fluctuations in the cost of goods sold as a percentage of net product
and supply revenue over the periods was primarily due to the sales mix among
Qsymia, STENDRA/SPEDRA and PANCREAZE/PANCREASE MT.

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Selling, general and administrative




                                        Years Ended December 31,            

Increase/(Decrease)


(In thousands, except percentages)    2019        2018        2017      2019 vs 2018     2018 vs 2017
Selling and marketing              $   17,968   $  13,970   $  16,638             29 %           (16) %
General and administrative             22,071      23,971      23,492            (8) %              2 %
Total selling, general and
administrative expenses            $   40,039   $  37,941   $  40,130              6 %            (5) %




The increase in selling and marketing expenses in 2019 compared to 2018 was due
primarily to commercialization efforts for PANCREAZE, including additions to our
sales force to support the relaunch in the first quarter of 2019 and related
promotional activities. The decrease in selling and marketing expenses in 2018
compared to 2017 was due primarily to the reduction of the size of our sales
force in 2017 and cost saving efforts to reduce marketing programs, partially
offset by the addition of PANCREAZE marketing expenses. Selling and marketing
expenses for our current products are expected to remain stable in future
quarters.

The decrease in general and administrative expenses in 2019 compared to 2018 and
the increase in 2018 compared to 2017 was due primarily to approximately $2.0
million in one-time expenses related to the PANCREAZE and Willow Biopharma
acquisitions in 2018. In addition, we had reductions in legal spending due to
the settlement of our Qsymia litigation in 2017, partially offsetting the
one-time expenses in 2018. We expect general and administrative expenses to
fluctuate significantly on a quarterly basis due to the timing of activities
within our business development and financing activities.

Research and development


                                               Years Ended December 31,              Increase/(Decrease)
Drug Indication/Description                2019           2018         2017      2019 vs 2018    2018 vs 2017
(In thousands, except percentages)
Qsymia                                  $     2,678    $    1,120   $       31            139 %         3,513 %
STENDRA/SPEDRA                                  282           172          127             64 %            35 %
PANCREAZE/PANCREASE MT                        3,753           878            -            327 %           N/A
VI-0106                                         247         1,999        2,189           (88) %           (9) %
Share-based compensation                        207           312          345           (34) %          (10) %
Overhead costs*                               3,300         2,866        2,571             15 %            11 %

Total research and development expenses $ 10,467 $ 7,347 $ 5,263

             42 %            40 %




--------------------------------------------------------------------------------

*Overhead costs include compensation and related expenses, consulting, legal and other professional services fees relating to research and development activities, which we do not allocate to specific projects.



The increase in total research and development expenses in 2019 as compared to
2018 was primarily due to increased spending related to post marketing
requirements assumed as part of the acquisition of PANCREAZE.PANCREASE MT in
June 2018, in addition to spending on our Qsymia adolescent safety and efficacy
study (OB-403) as we enrolled our first patients across multiple sites and
started monitoring visits. Our spending to develop VI-0106 for the treatment of
PAH experienced a decrease due to the timing of development activities.

The increase in total research and development expenses in 2018 as compared to 2017 was primarily due to increased spending for Qsymia post-marketing requirements and spending for PANCREAZE product improvements.



We expect research and development expenses will vary based on enrollment of the
OB-0403 clinical trial and development efforts related to our VI-0106 product
candidate.

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Interest and other expense,  net

Interest expense, net consists primarily of interest expense and the
amortization of issuance costs from our Convertible Notes and 2024 Notes and the
amortization of the debt discount on the Convertible Notes. Other expense and
income were not significant. Interest expense for 2019 included prepayment
premiums of $6.4 million related to the repurchase of $48.6 million aggregate
principal amount of our 2024 Notes. Exclusive of those payments, the decrease in
2019 is due to the paydown of debt in 2018 and the loss of its associated
discounts, partially offset by the additional debt issued in June 2018.  We
expect interest and other expense (income) for 2020 exclusive of any possible
refinancing of our convertible debt to remain consistent with levels at the end
of 2019.

Provision for (Benefit from) income taxes



The tax provisions for all years are the result of certain state tax
liabilities. We periodically evaluate the realizability of our net deferred tax
assets based on all available evidence, both positive and negative. The
realization of net deferred tax assets is dependent on our ability to generate
sufficient future taxable income during periods prior to the expiration of tax
attributes to fully utilize these assets. We weighed both positive and negative
evidence and determined that there is a continued need for a full valuation
allowance on our deferred tax assets in the U.S. as of December  31, 2019. We
will continue to assess such evidence on a quarterly basis in 2020 to determine
whether we will need to reverse all or a portion of the valuation allowance.

LIQUIDITY AND CAPITAL RESOURCES



Cash.  Cash, cash equivalents and available­for­sale securities totaled
$32.6 million at December 31, 2019, as compared to $111.2 million at
December 31, 2018.  The decrease was primarily due to the $55.0 million payment
to repurchase $48.6 million aggregate principal amount of debt, plus prepayment
premiums, net cash used for operating activities and other debt servicing during
the period.

We invest our excess cash balances in money market, U.S. government securities
and corporate debt securities in accordance with our investment policy. Our
investment policy has the primary investment objectives of preservation of
principal; however, there may be times when certain of the securities in our
portfolio will fall below the credit ratings required in the policy. If those
securities are downgraded or impaired, we would experience realized or
unrealized losses in the value of our portfolio, which would have an adverse
effect on our results of operations, liquidity and financial condition. From
time to time, the Company may also invest its cash to retire or purchase its
outstanding debt, make asset acquisitions, conduct research and development or
expand the Company. Investment securities are exposed to various risks, such as
interest rate, market and credit. Due to the level of risk associated with
certain investment securities and the level of uncertainty related to changes in
the value of investment securities, it is possible that changes in these risk
factors in the near term could have an adverse material impact on our results of
operations or stockholders' deficit.

Accounts Receivable.  We extend credit to our customers for product sales
resulting in accounts receivable. Customer accounts are monitored for past due
amounts. Past due accounts receivable, determined to be uncollectible, are
written off against the allowance for doubtful accounts. Allowances for doubtful
accounts are estimated based upon past due amounts, historical losses and
existing economic factors, and are adjusted periodically. Historically, we have
had no significant uncollectable accounts receivable. We offer cash discounts to
our customers, generally 2% of the sales price as an incentive for prompt
payment.

Accounts receivable (net of allowance for doubtful accounts and cash discounts)
at December 31, 2019, was $22.3 million, as compared to $25.6 million at
December 31, 2018. As of February 29, 2020, we had collected 62% of the accounts
receivable outstanding at December 31, 2019.

Liabilities. Total liabilities were $287.5 million at December 31, 2019, compared to $342.2 million at December 31, 2018. The decrease in total liabilities was primarily due to the repayment of certain existing debt. Additional changes in total liabilities were due to timing differences in our various liability accounts.



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Summary Cash Flows


                                              Years Ended December 31,
                                          2019          2018          2017
          Cash provided by (used for):             (in thousands)

Operating activities $ (30,474) $ (23,607) $ (16,364)


          Investing activities             81,569      (56,150)       

24,012


          Financing activities           (48,821)        43,776      (26,039)


Operating Activities.    Cash used for operating activities in 2019 resulted
from our net loss as adjusted for non-cash items, in addition to the increase in
inventories and decreases in accounts payable and deferred revenue, partially
offset by decreases in accounts receivable and prepaid expenses and an increase
in accrued liabilities. Cash used for operating activities in 2018 primarily
consisted of our operating losses, adjusted for non-cash items, in addition to
increases in accounts receivable and inventory due to the addition of PANCREAZE,
partially offset by an increase in accrued and other liabilities, primarily due
to product reserves for PANCREAZE. Cash used for operating activities in 2017
primarily consisted of our operating losses adjusted for non-cash items, in
addition to increases in accounts receivable and inventory and a decrease in our
deferred revenue balances due to our switch to the sell-in model for Qsymia
product revenue. These were partially offset by increases in accounts payable
and accrued liability balances, mostly due to timing.

Investing Activities.    Cash provided by investing activities in 2019 resulted
primarily from sales and maturities of our investment securities used for the
paydown of a portion of our debt and for operating uses. Cash used for investing
activities in 2018 primarily related to cash paid for the acquisition of the
PANCREAZE license, partially offset by net proceeds from sales and maturities of
our investment securities.  Cash provided by or used for investing activities in
2017 primarily related to the net maturities of investment securities.

Financing Activities.    Cash used by financing activities in 2019 were
primarily due to the repayment of $48.6 million of our Senior Secured Notes due
2024, in addition to principal payments on financing leases, partially offset by
proceeds from our employee stock purchase plan. Cash provided by financing
activities in 2018 resulted from the net proceeds of $108.0 million from the
issuance of our Senior Secured Notes due 2024, partially offset by the use of a
total of $58.1 million to repurchase a combined total of $68.6 million of face
value of our Convertible Notes and the repayment of $6.2 million of our Senior
Secured Notes due 2018.  Cash used in financing activities for 2017 consisted
primarily of our repayments of $26.1 million under our Senior Secured Notes due
2018.

We do not currently have sufficient cash and/or credit facilities in place to
pay the debt due May 1, 2020 and thus are actively pursuing funding, which may
come through public or private debt or equity financings, collaborations or
other available financing sources. Such funding may not be available on
acceptable terms, or at all. If additional funds are raised by issuing equity
securities, substantial dilution to existing stockholders may result. If
adequate funds are not available, we will not be able to continue our operations
at our current level and may be required to relinquish rights to certain of our
technologies, product candidates or products that we would otherwise seek to
develop on our own. We might also be required to delay, reduce the scope of or
eliminate one or more of our commercialization or development programs or obtain
funds through collaborations with others that are on unfavorable terms or
restructure VIVUS in other ways that may not be favorable. Even if adequate
funds become available, we may need to raise additional funds in the near future
to finance operations and pursue development and commercial opportunities.

Our consolidated financial statements have been prepared assuming that we will
continue as a going concern. Our coming debt maturities as well as our negative
cash flow from operations and accumulated deficit raise substantial doubt about
our ability to continue as a going concern. Our consolidated financial
statements do not include any adjustments that might result from the outcome of
this uncertainty.

Contractual Obligations

The following table summarizes our contractual obligations at December 31, 2019,
excluding amounts already recorded on our consolidated balance sheet as accounts
payable or accrued liabilities, and the effect such obligations are expected to
have on our liquidity and cash flow in future fiscal years. This table includes
our enforceable, non­cancelable, and legally binding obligations and future
commitments as of December 31, 2019. The amounts below

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do not include contingent milestone payments or royalties, and assume the agreements and commitments will run through the end of terms, as such no early termination fees or penalties are included herein:






                                                        Payments Due by Period

Contractual obligations Total 2020 2021 - 2023 2024 - 2025 Thereafter


                                                            (in thousands)
Operating leases              $     1,513    $     834    $         679    $           -    $          -
Purchase obligations              134,328       16,219           47,287           22,908          47,914
Notes payable                     242,778      181,426           51,898            9,454               -
Interest payable                   23,635       10,901           12,366              368               -

Total contractual obligations $ 402,254 $ 209,380 $ 112,230 $ 32,730 $ 47,914






Operating Leases

We have a lease of 13,981 square feet of office space at 900 East Hamilton
Avenue, Campbell, California  (the "Campbell Lease"). The Campbell Lease has an
initial term of approximately 58 months, commencing on December 27, 2016, with a
beginning annual rental rate of $3.10 per rentable square foot, subject to
agreed-upon increases. We received an abatement of the monthly rent for the
first four months on the lease term. We have one option to extend the lease term
for two years at the fair market rental rate then prevailing as detailed in the
Campbell Lease.

Purchase Obligations

Purchase obligations consist of agreements to purchase goods or services that
are enforceable and legally binding on us and that specify all significant
terms, including fixed or minimum quantities to be purchased; fixed, minimum or
variable price provisions; and the approximate timing of the transaction.

The API and the tablets for STENDRA/SPEDRA (avanafil) are currently manufactured
by Sanofi. On December 7, 2018, we entered into an amendment to the Commercial
Supply Agreement with Sanofi Chimie, pursuant to which certain amendments were
made to the Commercial Supply Agreement, which include: (i) beginning January 1,
2019, Sanofi Chimie will manufacture and supply API for avanafil on an exclusive
basis in all countries where we have the right to sell avanafil; (ii) beginning
January 1, 2019, the yearly minimum quantities of API that we must purchase from
Sanofi Chimie will be adjusted, as well as adjustments to the associated pricing
and payment terms; and (iii) with the initial five year term of the Commercial
Supply Agreement expiring on December 31, 2018, we and Sanofi Chimie have agreed
to extend the term of the Commercial Supply Agreement until December 31, 2023
unless either party makes a timely election to terminate the agreement and that
thereafter the Commercial Supply Agreement will auto-renew for successive one
year terms unless either party makes a timely election not to renew. We have
minimum purchase commitments with Sanofi to purchase API materials and tablets
through 2023. Our minimum purchase commitments with Sanofi totaled approximately
$18.9 million as of December 31, 2019.  PANCREAZE is currently manufactured by
Nordmark. Our minimum purchase commitments to Nordmark totaled approximately
$113.0 million at December 31, 2019.  Our minimum purchase commitments for
Qsymia totaled approximately $1.6 million at December 31, 2019.

Notes Payable and Interest Payable

Convertible Senior Notes Due 2020



On May 21, 2013, we closed an offering of $220.0 million in 4.5% Convertible
Senior Notes due May 1, 2020  (the "Convertible Notes"). The Convertible Notes
are governed by an indenture, dated as of May 21, 2013, between the Company and
Deutsche Bank National Trust Company, as trustee. On May 29, 2013, we closed on
an additional $30.0 million of Convertible Notes upon exercise of an option by
the initial purchasers of the Convertible Notes. Total net proceeds from the
Convertible Notes were approximately $241.8 million. The Convertible Notes are
convertible at the option of the holders at any time prior to the close of
business on the business day immediately preceding November 1, 2019. Subject to
certain limitations, we will settle conversions of the Convertible Notes by
paying or delivering, as the case may be, cash, shares of our common stock or a
combination of cash and shares of our common stock, at our election. The current
conversion rate of the Convertible Notes is $148.58 per share. In 2018, we
repurchased a total of $68.6 million of face value of the Convertible notes for
a total of $58.1 million in cash.

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Senior Secured Notes Due 2024



In June 2018, we entered into an indenture  (the "Indenture") with U.S. Bank
National Association as trustee and collateral agent regarding the purchase
agreement entered into with affiliates of Athyrium Capital Management
(collectively, the "Purchasers") for the issuance and sale of (i) $110.0 million
of 10.375% senior secured notes due 2024  (the "Notes"), (ii) up to an
additional $10.0 million of 10.375% senior secured notes due 2024 to be issued
subsequently at our option within 12 months of the Notes issue date, subject to
certain conditions, and (iii) a warrant for 330,000 shares issued concurrently
with the issuance of the Notes. The Notes were issued at a purchase price equal
to 99% of the principal amount. The Notes contain customary representations,
warranties, covenants, conditions and indemnities. Payments on the Notes are
interest-only for the first 3 months; thereafter, the Notes will be repaid in 36
equal monthly payments. In September 2019, the Company repurchased $48.6 million
aggregate principal amount of the 2024 Notes plus prepayment premiums of an
aggregate of $6.4 million.

Additional Contingent Payments



We have entered into development, license and supply agreements that contain
provisions for payments upon completion of certain development, regulatory and
sales milestones. Due to the uncertainty concerning when and if these milestones
may be completed or other payments are due, we have not included these potential
future obligations in the above table.

Selten Pharma, Inc.



On January 6, 2017, we entered into a Patent Assignment Agreement with Selten,
whereby we received exclusive, worldwide rights for the development and
commercialization of BMPR2 activators for the treatment of PAH and related
vascular diseases. As part of the agreement, Selten assigned to us its license
to a group of patents owned by Stanford, which cover uses of tacrolimus and
ascomycin to treat PAH. We are responsible for future financial obligations to
Stanford under that license.

We have also assumed full responsibility for the development and
commercialization of the licensed compounds for the treatment of PAH and related
vascular diseases. We paid Selten an upfront payment of $1.0 million, and we
will pay additional milestone payments based on global development status and
future sales milestones, as well as tiered royalty payments on future sales of
these compounds. The total potential milestone payments are $39.0 million to
Selten and $550,000 to Stanford. The majority of the milestone payments to
Selten may be paid, at our sole option, either in cash or our common stock,
provided that in no event shall the payment of common stock exceed fifty percent
of the aggregate amount of such milestone payments.

Mitsubishi Tanabe Pharma Corporation



In January 2001, we entered into an exclusive development, license and clinical
trial and commercial supply agreement with MTPC for the development and
commercialization of avanafil. Under the terms of the agreement, MTPC agreed to
grant an exclusive license to us for products containing avanafil outside of
Japan, North Korea, South Korea, China, Taiwan, Singapore, Indonesia, Malaysia,
Thailand, Vietnam and the Philippines. The MTPC agreement contains a number of
milestone payments to be made by us based on various triggering events.

We have made and expect to make substantial milestone payments to MTPC in
accordance with this agreement as we continue to develop avanafil in our
territories outside of the United States and, if approved for sale,
commercialize avanafil for the oral treatment of male sexual dysfunction in
those territories. Potential future milestone payments include $6.0 million upon
achievement of $250.0 million or more in worldwide net sales during any calendar
year.

The term of the MTPC agreement is based on a country­by­country and on a
product­by­product basis. The term shall continue until the later of 10 years
after the date of the first sale for a particular product or the expiration of
the last­to­expire patents within the MTPC patents covering such product in such
country.

In August 2012, we entered into an amendment to our agreement with MTPC that
permits us to manufacture the API and tablets for STENDRA ourselves or through
third parties. On July 31, 2013, we entered into a Commercial Supply Agreement
with Sanofi Chimie to manufacture and supply the API for avanafil on an
exclusive basis in the United States and other territories and on a semi
exclusive basis in Europe, including the EU Member States, Latin

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America and other territories. On December 7, 2018, we entered into an amendment
to the Commercial Supply Agreement with Sanofi Chimie, pursuant to which certain
amendments were made to the Commercial Supply Agreement, which include: (i)
beginning January 1, 2019, Sanofi Chimie will manufacture and supply API for
avanafil on an exclusive basis in all countries where we have the right to sell
avanafil; (ii) beginning January 1, 2019, the yearly minimum quantities of API
that we must purchase from Sanofi Chimie will be adjusted, as well as
adjustments to the associated pricing and payment terms; and (iii) with the
initial five year term of the Commercial Supply Agreement expiring on December
31, 2018, we and Sanofi Chimie have agreed to extend the term of the Commercial
Supply Agreement until December 31, 2023 unless either party makes a timely
election to terminate the agreement and that thereafter the Commercial Supply
Agreement will auto-renew for successive one year terms unless either party
makes a timely election not to renew.

On November 18, 2013, we entered into a Manufacturing and Supply Agreement with
Sanofi Winthrop Industrie to manufacture and supply the avanafil tablets on an
exclusive basis in the United States and other territories and on a semi
exclusive basis in Europe, including the EU, Latin America and other
territories. We have obtained approval from FDA and the EMA for Sanofi Chimie to
be a qualified supplier of avanafil API and of Sanofi Winthrop Industrie as a
qualified supplier of the avanafil tablets. In May 2019, we entered into
Amendment N°1 to the Manufacturing and Supply Agreement with Sanofi Winthrop
Industrie effective as of March 18, 2019, pursuant to which certain amendments
were made to the Manufacturing and Supply Agreement, which include: (i) Sanofi
Winthrop Industrie will manufacture and supply the tablets for our drug avanafil
on an exclusive basis in all countries where we or our sublicensees and/or
Menarini have the right to sell avanafil; (ii) the yearly minimum quantities of
tablets that we must purchase from Sanofi Winthrop Industrie and the price of
such tablets were adjusted; and (iii) with the initial term of the Manufacturing
and Supply Agreement expiring on January 16, 2021, we and Sanofi Winthrop
Industrie have agreed to extend the term of the Manufacturing and Supply
Agreement until December 31, 2023 unless either party makes a timely election to
terminate the agreement and that thereafter the Manufacturing and Supply
Agreement will auto-renew for successive one year terms unless either party
makes a timely election not to renew.

On February 21, 2013, we entered into the third amendment to our agreement with
MTPC which, among other things, expands our rights, or those of our
sublicensees, to enforce the patents licensed under the MTPC agreement against
alleged infringement, and clarifies the rights and duties of the parties and our
sublicensees upon termination of the MTPC agreement. In addition, we were
obligated to use our best commercial efforts to market STENDRA in the U.S. by
December 31, 2013, which was achieved by our commercialization partner,
Auxilium.

On July 23, 2013, we entered into an amendment to our agreement with MTPC which, among other things, changes the definition of net sales used to calculate royalties owed by us to MTPC.

Other



In October 2001, we entered into the Assignment Agreement with Thomas Najarian,
M.D., for the Combination Therapy, that has since been the focus of our
investigational drug candidate development program for Qsymia for the treatment
of obesity, obstructive sleep apnea and diabetes. The Combination Therapy and
all the related Patents were transferred to us with worldwide rights to develop
and commercialize the Combination Therapy and exploit the Patents. The
Assignment Agreement requires us to pay royalties on worldwide net sales of a
product for the treatment of obesity that is based upon the Combination Therapy
and the Patents until the last­to­expire of the assigned Patents. To the extent
that we decide not to commercially exploit the Patents, the Assignment Agreement
will terminate, and the Combination Therapy and Patents will be assigned back to
Dr. Najarian.

Off­Balance Sheet Arrangements



We have not entered into any off­balance sheet financing arrangements and have
not established any special purpose entities. We have not guaranteed any debt or
commitments of other entities or entered into any options on non­financial
assets.

Indemnifications



In the normal course of business, we provide indemnifications of varying scope
to certain customers against claims of intellectual property infringement made
by third parties arising from the use of its products and to its clinical

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research organizations and investigator sites against liabilities incurred in
connection with any third­party claim arising from the work performed on behalf
of the Company, among others. Historically, costs related to these
indemnification provisions have not been significant and we are unable to
estimate the maximum potential impact of these indemnification provisions on our
future results of operations.

To the extent permitted under Delaware law, we have agreements whereby we
indemnify our officers and directors for certain events or occurrences while the
officer or director is, or was, serving at our request in such capacity. The
indemnification period covers all pertinent events and occurrences during the
officer's or director's lifetime. The maximum potential amount of future
payments we could be required to make under these indemnification agreements is
unlimited; however, we maintain director and officer insurance coverage that
reduces our exposure and enables us to recover a portion of any future amounts
paid. We believe the estimated fair value of these indemnification agreements in
excess of applicable insurance coverage is minimal.

Recent Accounting Pronouncements

The information on recent account pronouncements is incorporated by reference to Note 1 to our Consolidated Financial Statements included elsewhere in this report.

Dividend Policy



We have not paid any dividends since our inception and do not intend to declare
or pay any dividends on our common stock in the foreseeable future. Declaration
or payment of future dividends, if any, will be at the discretion of our Board
of Directors after taking into account various factors, including our financial
condition, operating results and current and anticipated cash needs and
applicable contractual restrictions.

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