Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited takes no responsibility for the contents of this announcement, makes no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

Sinopec Oilfield Service Corporation

(a joint stock limited company established in the People's Republic of China)

(Stock code: 1033)

First Quarterly Results 2021

This announcement is made by Sinopec Oilfield Service Corporation (the "Company") pursuant to Rule 13.09 (2)(a) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited and the relevant regulations issued by the Shanghai Stock Exchange (the "SSE").

The board of directors (the "Board") of the Company hereby presents the first quarterly results of the Company and its subsidiaries for the three months ended 31 March 2021.

§1. Important Highlights

  1. The Board and the Supervisory Committee of the Company and its directors, supervisors and senior management warrant that there are no false representations, misleading statements or material omissions in this quarterly report and individually and jointly accept full responsibility for the authenticity, accuracy and completeness of the information contained in this quarterly report.
  2. All directors of the Company attended the board meeting to consider this quarterly report.
  3. Mr. Chen Xikun, Chairman, Mr. Yuan Jianqiang, General Manager, Mr. Cheng Zhongyi, executive in charge of accounting work and Mr. Pei Defang, manager of the accounting department of the Company warranted the authenticity and completeness of the financial statements contained in this quarterly report.
  4. The Company's first quarterly financial report for 2021 is prepared in accordance with the PRC Accounting Standards for Business Enterprises and unaudited.

§2. Company Profile

2.1 Key financial data

1

As at

As at

Increase/(decrease) (%)

31 March 2021

31 December 2020

RMB'000

RMB'000

Total assets

61,610,851

61,091,195

0.9

Total

equity

attributable

7,001,848

6,722,866

4.1

to equity shareholders of

the Company

For the three months

For the three months

Increase/(decrease)

ended 31 March 2021

ended 31 March 2020

from corresponding

RMB'000

period of last year

RMB'000

(%)

Net cash inflow from

-385,477

-1,184,219

operating activities ("-"

Not applicable

for outflow)

For the three months

For the three months

Increase/(decrease)

ended 31 March 2021

ended 31 March 2020

from

corresponding

RMB'000

RMB'000

period of last year

(%)

Operating income

14,599,813

12,868,009

13.5

Net profit attributable to

165,646

-182,308

Not applicable

equity

shareholders

of

the Company ("-" for

losses)

Net

profit

deducted

130,487

-215,842

Not applicable

extraordinary

gain

and

loss attributable to equity

shareholders

of

the

Company ("-" for losses)

Weighted

average return

2.4

-2.70

Increased

by

5.1

on net assets

percentage points

Basic earnings per share

0.01

-0.01

Not applicable

(in RMB) ("-" for losses)

Diluted

earnings

per

0.01

-0.01

Not applicable

share (in RMB) ("-" for

losses)

Extraordinary gain and loss items

Applicable

Not Applicable

Amount during the reporting period

Items

(From 1 January 2021 to 31 March

2021)

RMB'000

Gains or losses from disposal of non-current assets

2,229

Government grants recognised in profit or loss during the

15,086

current period, except for government subsidies that are

closely related to the company's normal business operations

and that are in compliance with national policies and are

subject to constant or fixed amount of certain standards

Gains or losses from debt restructuring

12,120

Other non-operating income and expenses excluding the

11,213

aforesaid items

2

Effect of income tax

-5,489

Total

35,159

2.2 The number of shareholders of the Company at the end of this reporting period and details of the top ten shareholders and the top ten shareholders of shares without selling restrictions

Unit: Share

The total number of

116,983, of which the number of H shareholders was 338.

shareholders at the end of

this reporting period

Shareholdings of the top ten shareholders

Names of shareholders

Number of

Percent

Number of

Number of

Nature of

shares held at

age to

shares with

pledged or

shareholders

the end of the

total

selling

frozen share

reporting

share

restrictions

Shares

Amo

period (shares)

capital

(shares)

status

unts

(%)

China Petrochemical

10,727,896,364

56.51

0

none

0

State-owned

Corporation 1

legal person

Hong Kong Securities

none

0

Overseas legal

Clearing Company

person

(Nominees) Limited

5,402,024,694

28.46

0

("HKSCC (Nominees)

Limited") 2

CITIC Limited

1,035,000,000

5.45

0

none

0

State-owned

legal person

Donghai Fund-Industrial

66,666,666

0.35

0

none

0

Other

Bank-Huaxin

Trust-Huizhi Investment

No.49 Trust Plan

Donghai Fund

66,666,666

0.35

0

none

0

Other

-Industrial Bank

-HuaxinTrust-Huizhi

Investment No.47 Trust

Plan

Hong Kong Securities

none

0

Other

Clearing Company

53,036,641

0.28

0

Limited3

China Minsheng Bank

none

0

Domestic

Corp., Ltd.

37,599,799

0.20

0

non-state-owne

d legal person

Hohhot Branch

Changjiang Pension

23,148,854

0.12

0

none

0

Other

Insurance

Co.,Ltd.-Changjiang

Shengshi Huazhang

No.2 Community

Pension Management

Fund4

3

Shanghai Tongneng

none

0

Domestic

Investment Holdings Co.,

11,516,200

0.06

0

non-state-owne

Ltd

d legal person

Anhui Yang

Guang Xin

none

0

Domestic

Tong

Electronic

11,200,000

0.06

0

non-state-owne

d legal person

Technology Co. Ltd

Shareholdings of the top ten shareholders of shares without selling restriction

Name of shareholders

Number of shares without

Type and Amount of shares

selling restrictions held at the

end of the reporting period

Type

Amount

(shares)

China Petrochemical Corporation

10,727,896,364

A shares

10,727,896,364

HKSCC (Nominees) Limited

5,402,024,694

H shares

5,402,024,694

CITIC Limited

1,035,000,000

A shares

1,035,000,000

Donghai Fund-Industrial

66,666,666

A shares

66,666,666

Bank-HuaxinTrust-Huizhi

Investment No.49 Trust Plan

Donghai Fund-Industrial Bank

66,666,666

A shares

66,666,666

-HuaxinTrust-Huizhi Investment

No.47 Trust Plan

Hong Kong Securities Clearing

53,036,641

A shares

53,036,641

Company Limited

China Minsheng Bank Corp., Ltd.

37,599,799

A shares

37,599,799

Hohhot Branch

Changjiang Pension Insurance

Co.,Ltd.-Changjiang Shengshi

23,148,854

A shares

23,148,854

Huazhang No.2 Community Pension

Management Fund

Shanghai Tongneng Investment

11,516,200

A shares

11,516,200

Holdings Co., Ltd

Anhui Yang Guang Xin Tong

11,200,000

A shares

11,200,000

Electronic Technology Co. Ltd

Except that "Donghai Fund- Industrial Bank-Huaxin Trust -

Statement on the connected

Huizhi Investment No.49 Trust Plan" and "Donghai Fund-

Industrial Bank-Huaxin Trust - Huizhi Investment No.47 Trust

relationship or activities in concert

Plan" belong to Donghai Fund Management Limited Company,

among the above-mentioned

the Company is not aware of that there is any connected

shareholders

relationship or activities in concert among the above-mentioned

shareholders.

Preferred shareholders with restored

The company has no outstanding preferred shares.

voting rights

Note:

  1. China Petrochemical Corporation held 2,595,786,987 H shares of the Company through Sinopec Century Bright Capital Investment, Ltd., an overseas wholly-owned subsidiary, such H shares were included in the total number of shares held by HKSCC (Nominees) Limited
    2."HKSCC (Nominees) Limited" is a wholly-owned subsidiary of Hong Kong Exchanges and Clearing Limited, acts as an agent to hold H shares of the Company on behalf of other companies or individual shareholders.
  1. Hong Kong Securities Clearing Company Limited is a wholly-owned subsidiary of Hong

4

Kong Exchanges and Clearing Limited, acts as an nominal holder to hold A shares of the Company in the Shanghai Stock Exchange on behalf of the investors of the Hong Kong Stock Exchange.

4. Changjiang Pension Insurance Co., Ltd held it on behalf of Qi Xin Gong Ying Scheme.

2.3 Total number preferred shareholders, top 10 preferred shareholders and top 10 holders of preference shares without selling restriction as at the end of the reporting period

□Applicable

√Not applicable

§3. Significant Events

3.1 Significant changes of key accounting items and financial indices and the reasons for the changes

√Applicable □Not applicable

Item

As at 31

As at 31

Change

March 2021

December 2020

Reason for change

RMB '000

RMB '000

(%)

Inventories

1,389,212

1,033,678

34.4

Mainly due to the increase in

unfinished labor projects

Contract liabilities

2,117,574

3,024,461

-30.0

mainly due to the progress of

projects and the fulfillment of

contract obligations

Taxes payable

443,076

724,389

-38.8

Mainly due to the decrease in

value-added tax and personal

income tax payable

Long-term payable

53,099

26,812

98.0

Mainly due to the return of the

security fund

Special reserve

371,859

258,523

43.8

Mainly due to the increase in

income and the amount of

accrual is greater than the

amount of expenditure

Item

For the three months ended

Change

31 March

Reason for change

2021

2020

(%)

RMB '000

RMB'000

Research

and

Mainly due to the arrangement

development expenses

of

internal

reform

and

85,824

167,581

-48.8

reorganization of the R&D

project was later than the same

period last year

Credit impairment losses

The reversal of bad debt

("-" for losses)

provision due to recovery of

18,343

883

1977.3

accounts receivable is

higher

compared with the same period

of last year

Gains

from

assets

2,229

214

941.6

Mainly due to the disposal of

disposal

marine work ships

5

Non-operating income

Mainly due to the year-on-year

13,478

3,952

241.0

increase in Payables that do not

need to be paid and indemnity

income for breach of contract

Non-operating expenses

Mainly due to the year-on-year

2,265

4,433

-48.9

decrease

in

donation

expenditures

Net

cash

flow

from

Not

Mainly due to the increase in

operating activities

-385,477

-1,184,219

sales receipts

in the

current

applicable

period and the improvement in

operating cash

Net

cash

flow

from

Not

Mainly due to the year-on-year

investing activities

-46,930

-149,791

decrease in equipment purchase

applicable

expenses

Net

cash

flow

from

493,225

1,654,034

-70.2

Mainly due to the year-on-year

financing activities

decline in loan growth

  1. The progress of significant events and their impacts as well as the analysis and explanations for the solutions
    □Applicable □√Not applicable
  2. Non-performanceof undertakings during the reporting period

□Applicable

√Not applicable

3.4 Warnings on potential fluctuation from the net profit to the loss for the period from the beginning of the year to the end of next reporting period or significant changes as compared with the same period of the preceding year

□Applicable

√Not applicable

By order of the Board Chen Xikun Chairman

27 April 2021, Beijing

As at the date of this announcement, the Board of Directors comprises Mr. Chen Xikun#, Mr. Yuan Jianqiang#, Mr. Lu Baoping+, Mr. Fan Zhonghai+, Mr. Wei Ran+, Mr. Zhou Meiyun+, Mr. Chen Weidong*, Mr. Dong Xiucheng* and Mr. Zheng Weijun*.

# Executive Director

+ Non-Executive Director

* Independent Non-Executive Director

6

§4 Appendix

4.1 Financial statements

Consolidated Balance Sheet

As at 31 March 2021

Sinopec Oilfield Service Corporation

(Expressed in thousands of renminbi yuan and unaudited)

item

As at 31 March 2021

As at 31 December 2020

Current assets:

Cash at bank and on hand

1,607,539

1,551,458

Bills receivable

0

0

Accounts receivable

7,943,065

9,358,385

Accounts receivable financing

1,088,314

1,323,425

Prepayments

456,620

441,654

Other receivables

2,515,995

2,464,362

Including: Interest receivables

Dividend receivables

502

502

Inventories

1,389,212

1,033,678

Contract assets

14,391,180

11,610,888

Assets classified as held for sale

Non-current assets due within one year

Other current assets

2,080,229

1,995,808

Total current assets

31,472,154

29,779,658

Non-current assets:

Long-term receivable

Long-term equity investments

42,666

43,046

Other equity instrument investments

22,835

22,835

Fixed assets

22,216,414

22,939,838

Construction in progress

255,015

284,292

Right-of-use asset

1,265,066

1,265,583

Intangible assets

480,257

504,966

Long-term deferred expenses

5,460,692

5,855,143

Deferred income tax assets

395,752

395,834

Other non-current assets

Total non-current assets

30,138,697

31,311,537

Total assets

61,610,851

61,091,195

Current liabilities

Short-term loans

20,136,106

19,370,520

Bills payable

8,022,904

6,305,228

Accounts payable

18,895,687

20,497,509

Advances from customers

7

Contract liabilities

2,117,574

3,024,461

Employee benefits payable

522,687

498,071

Taxes payable

443,076

724,389

Other payables

2,169,923

1,675,104

Including: Interest payable

1,612

17,458

Dividend payable

Liabilities classified as held for sale

Non-current liabilities due within

one

363,757

356,747

year

Other current liabilities

Total current liabilities

52,671,714

52,452,029

Non-current liabilities:

Long-term loans

584,846

580,716

Lease liability

897,949

898,469

Long-term payable

53,099

26,812

long-term employment benefits payable

Provisions

373,427

382,646

Deferred income

14,497

14,186

Deferred tax liabilities

13,471

13,471

Other non-current liabilities

Total non-current liabilities

1,937,289

1,916,300

Total liabilities

54,609,003

54,368,329

Shareholders' equity

Share capital

18,984,340

18,984,340

Capital reserve

11,717,773

11,717,773

Other comprehensive income

-2,014

-2,014

Specific reserve

371,859

258,523

Surplus reserve

200,383

200,383

Retained earnings

-24,270,493

-24,436,139

Equity attributable to shareholders of the

7,001,848

6,722,866

Company

Minority interests

Total shareholders' equity

7,001,848

6,722,866

Total liabilities and shareholders' equity

61,610,851

61,091,195

Legal Representative: Mr. Chen Xikun

General Manager: Mr. Yuan Jianqiang

Executive in charge of accounting work: Mr. Cheng Zhongyi

Manager of accounting department: Mr. Pei Defang

Company Balance Sheet

As at 31 March 2021

Sinopec Oilfield Service Corporation

(Expressed in thousands of renminbi yuan and unaudited)

item

As at 31 March 2021

As at 31 December 2020

8

Current assets:

Cash at bank and on hand

157

159

Bills receivable

Accounts receivable

Accounts receivable financing

Prepayments

Other receivables

4,383,081

4,396,431

Including: Interest receivables

Dividend receivables

Inventories

Contract assets

Assets classified as held for sale

Non-current assets due within one year

Other current assets

167

167

Total current assets

4,383,405

4,396,757

Non-current assets:

Long-term receivable

Long-term equity investments

27,891,662

27,891,662

Other equity instrument investments

Fixed assets

Construction in progress

Right-of-use asset

Intangible assets

Long-term deferred expenses

Deferred income tax assets

Other non-current assets

Total non-current assets

27,891,662

27,891,662

Total assets

32,275,067

32,288,419

Current liabilities

Short-term loans

Bills payable

Accounts payable

11,800

11,800

Advances from customers

Contract liabilities

Employee benefits payable

Taxes payable

26,690

26,661

Other payables

148

13,306

Including: Interest payable

Dividend payable

Non-current liabilities due within one year

Other current liabilities

Total current liabilities

38,638

51,767

9

Non-current liabilities:

Long-term loans

Lease liability

Long-term payable

long-term employment benefits payable

Provisions

Deferred income

Deferred tax liabilities

Other non-current liabilities

Total non-current liabilities

0

0

Total liabilities

38,638

51,767

Shareholders' equity

Share capital

18,984,340

18,984,340

Capital reserve

14,568,016

14,568,016

Surplus reserve

200,383

200,383

Retained earnings

-1,516,310

-1,516,087

Total shareholders' equity

32,236,429

32,236,652

Total liabilities and shareholders' equity

32,275,067

32,288,419

Legal Representative: Mr. Chen Xikun

General Manager: Mr. Yuan Jianqiang

Executive in charge of accounting work: Mr. Cheng Zhongyi

Manager of accounting department: Mr. Pei Defang

Consolidated Income Statement

For the three months ended 31 March 2021

Sinopec Oilfield Service Corporation

(Expressed in thousands of renminbi yuan and unaudited)

Item

For the three months

For the three months

ended 31 March 2021

ended 31 March 2020

1. Total Operating Income

14,599,813

12,868,009

Including: Operating Income

14,599,813

12,868,009

2. Total Operating Costs

14,501,612

13,095,775

Including: Operating Costs

13,759,222

12,228,462

Business taxes and surcharges

50,429

45,382

Selling and distribution expenses

16,374

13,020

General and administrative expenses

414,589

422,271

Research and development expenses

85,824

167,581

Finance expenses

175,174

219,059

Including: Interest expenses

162,021

229,533

Interest income

9,034

2,924

Add: Other income

48,339

61,436

Investment income ("-" for losses)

11,740

14,825

Including:

Investment

income

in

-380

-589

associates and joint ventures

Gain from

derecognition

of financial

12,120

15,414

10

assets measured at amortized cost ("-" for losses)

Exchange gains ("-" for losses)

Gains from changes in fair value ("-" for

losses)

Credit impairment losses ("-" for losses)

18,343

883

Impairment of assets

("-" for losses)

27

36

Gains from assets

disposal

("-" for

2,229

214

losses)

3. Operating profit ("-" for losses)

178,879

-150,372

Add: Non-operating income

13,478

3,952

Less: Non-operating expenses

2,265

4,433

4. Total profit ("-" for losses)

190,092

-150,853

Less: Income tax expenses

24,446

31,455

5. Net profit for the period ("-" for losses)

165,646

-182,308

(1) Classification according to operation

continuity

Including: Net profit from continuing operations

165,646

-182,308

("-" for net loss)

Net profit from discontinued operations ("-" for

net loss)

(2) Classification according to attribute

Including: Shareholders of the company ("-" for

165,646

-182,308

net loss)

Non-controlling interests ("-" for net loss)

6. Other comprehensive net income after tax

0

0

7. Total comprehensive income for the period

165,646

-182,308

Attributable to the owners of parent company

165,646

-182,308

Attributable to minority shareholders of the

Company

8. Earnings per share:

(1) Basic earnings per share (in RMB)

0.01

-0.01

(2) Diluted earnings per share (in RMB)

0.01

-0.01

Profit from combined party before business combination under common control was RMB 0 during the

current period. Profit from combined party before business combination under common control was RMB 0

during the prior period.

Legal Representative: Mr. Chen Xikun

General Manager: Mr. Yuan Jianqiang

Executive in charge of accounting work: Mr. Cheng Zhongyi

Manager of accounting department: Mr. Pei Defang

Company Income Statement

For the three months ended 31 March 2021

Sinopec Oilfield Service Corporation

(Expressed in thousands of renminbi yuan and unaudited)

Item

For the three months

For the three months

ended 31 March 2021

ended 31 March 2020

11

1. Operating Income

Less: Operating Costs

Business taxes and surcharges

Selling and distribution expenses

General and administrative expenses

221

131

Research and development expenses

Finance expenses

2

1

Including: Interest expenses

Interest income

Add: Other income

Investment income ("-" for losses)

Including: Investment income in associates

and joint ventures

Gain from derecognition of financial assets

measured at amortized cost ("-" for losses)

Gains from changes in fair value ("-" for

losses)

Credit impairment losses ("-" for losses)

Impairment of assets ("-" for losses)

Gains from assets disposal

("-" for

losses)

2. Operating profit ("-" for losses)

-223

-132

Add: Non-operating income

Less: Non-operating expenses

3. Total profit ("-" for losses)

-223

-132

Less: Income tax expenses

4. Net profit for the period ("-" for losses)

-223

-132

Including: Net profit from continuing operations

-223

-132

("-" for net loss)

Net profit from discontinued operations ("-" for

net loss)

5. Other comprehensive net income after tax

0

0

6. Total comprehensive income for the period

-223

-132

7. Earnings per share:

(1) Basic earnings per share (in RMB)

(2) Diluted earnings per share (in RMB)

Legal Representative: Mr. Chen Xikun

General Manager: Mr. Yuan Jianqiang

Executive in charge of accounting work: Mr. Cheng Zhongyi

Manager of accounting department: Mr. Pei Defang

Consolidated Cash Flow Statement

For the three months ended 31 March 2021

Sinopec Oilfield Service Corporation

(Expressed in thousands of renminbi yuan and unaudited)

12

Item

For the three months ended

For the three months ended

31 March 2021

31 March 2020

1.

Cash flows from operating activities:

Cash received

from

sale of

goods and

10,455,420

9,332,441

rendering of services

Refund of taxes

57,415

55

Cash received relating to other operating

3,081,251

2,937,129

activities

Sub-total of cash inflows

13,594,086

12,269,625

Cash paid for goods and services

8,385,505

8,050,804

Cash paid to and for employees

2,739,232

2,907,557

Cash paid for all types of taxes

322,109

250,890

Cash paid

relating

to

other

operating

2,532,717

2,244,593

activities

Sub-total of cash outflows

13,979,563

13,453,844

Net

cash

flow

from

operating

-385,477

-1,184,219

activities (outflow listed with "-")

2.

Cash flows from investing activities

Cash received from disposal of

investment

Cash received from investment income

Net cash received from disposal of fixed

29

assets, intangible assets and other long-term

8,519

assets

Net cash received from disposal of

subsidiaries and other business units

Cash received relating to other investing

activities

Sub-total of cash inflows

8,519

29

Cash paid for acquisition of fixed assets,

55,449

149,811

intangible assets and other long-term assets

Cash paid for the investments

9

Net cash paid for acquisition of

subsidiaries and other business units

Cash paid relating to other investing

activities

Sub-total of cash outflows

55,449

149,820

Net

cash

flow

from

investing

-46,930

-149,791

activities (outflow listed with "-")

3.

Cash flows from financing activities

Cash received from the acquisition of

investments

Including: Cash received from investment

absorbed from minority shareholders by the

subsidiary

Cash received from borrowings

12,756,356

14,299,046

Cash received relating to other financing

activities

Sub-total of cash inflows

12,756,356

14,299,046

Cash paid for repayments of borrowings

12,004,873

12,339,115

13

Cash

paid

for distribution

of

dividend,

148,976

211,705

profit or payments of interests

Including:

Cash

paid

to

minority

shareholders for dividend and profit by the

subsidiary

Cash

paid

relating

to other

financing

109,282

94,192

activities

Sub-total of cash outflows

12,263,131

12,645,012

Net cash flow from financing activities

493,225

1,654,034

4. Effect of exchange rate changes on cash

23,369

111

and cash equivalents

5. Net

increase

in

cash

and

cash

84,187

320,135

equivalents

Add: Cash

and

cash equivalents at the

1,523,352

1,650,732

beginning of the period

6Cash and cash equivalents at the end of

1,607,539

1,970,867

the period

Legal Representative: Mr. Chen Xikun

General Manager: Mr. Yuan Jianqiang

Executive in charge of accounting work: Mr. Cheng Zhongyi Manager of accounting department: Mr. Pei Defang

Company Cash Flow Statement

For the three months ended 31 March 2021

Sinopec Oilfield Service Corporation

(Expressed in thousands of renminbi yuan and unaudited)

Item

For the three months ended

For the three months ended

31 March 2021

31 March 2020

1.

Cash flows from operating activities:

Cash received from sale of goods and

rendering of services

Refund of taxes

Cash received relating to other operating

activities

Sub-total of cash inflows

0

Cash paid for goods and services

Cash paid to and for employees

Cash paid for all types of taxes

Cash paid relating to

other

operating

2

7

activities

Sub-total of cash outflows

2

7

Net cash inflow

from

operating

-2

-7

activities (outflow listed with "-")

2.

Cash flows from investing activities

Cash received from disposal of investment

Cash received from investment income

Net cash received from disposal of fixed

assets, intangible assets and other long-term

assets

Net cash received from disposal of

subsidiaries and other business units

Cash received relating to other investing

activities

Sub-total of cash inflows

14

Cash paid for acquisition of fixed assets,

intangible assets and other long-term assets

Cash paid for the investments

Net cash paid for acquisition of

subsidiaries and other business units

Cash paid relating to other investing

activities

Sub-total of cash outflows

Net cash inflow from investing

activities (outflow listed with "-")

3.

Cash flows from financing activities

Cash received from the acquisition of

investments

Cash received from borrowings

Cash received relating to other financing

activities

Sub-total of cash inflows

Cash repayments of borrowings

Cash paid for distribution of dividend,

profit or payments of interests

Cash paid relating to other financing

activities

Sub-total of cash outflows

Net cash inflow from financing

activities

4. Effect of exchange rate changes on cash

and cash equivalents

5.

Net increase

in

cash and

cash

-2

-7

equivalents

Add: Cash and

cash

equivalents

at the

159

170

beginning of the period

6Cash and cash equivalents at the end of

157

163

the period

Legal Representative: Mr. Chen Xikun

General Manager: Mr. Yuan Jianqiang

Executive in charge of accounting work: Mr. Cheng Zhongyi

Manager of accounting department: Mr. Pei Defang

4.2 The adjustment of the relevant items of the financial statements for the first time implementation of new income standards and new lease standards since 2021

  • Applicable √ Not applicable

4.3 Explanation of retrospective adjustment of comparative information of the previous period by the first implementation of the new financial instrument standards or the new revenue standards

  • Applicable √Not applicable

4.4 Audit report

  • Applicable √Not applicable

15

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Sinopec Oilfield Service Corp. published this content on 27 April 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 27 April 2021 08:56:02 UTC.