Exhibit 99.3
THIS CIRCULAR IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION
If you are in any doubt as to any aspect of this circular or as to the action to be taken, you should consult your stockbroker or other registered dealer in securities, bank manager, solicitor, professional accountant or other professional adviser.
If you have sold or transferred all your shares in Sinopec Shanghai Petrochemical Company Limited, you should at once hand this circular, together with the enclosed form of proxy, to the purchaser or the transferee or to the bank, stockbroker or other agent through whom the sale was effected for transmission to the purchaser or the transferee.
Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this circular, make 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 circular.

(A joint stock limited company incorporated in the People’s Republic of China)
(Stock Code: 00338)
CONTINUING CONNECTED TRANSACTIONS
UNDER THE NEW FRAMEWORK AGREEMENTS
AND
NOTICE OF THE THIRD EXTRAORDINARY GENERAL
MEETING FOR 2022
Independent Financial Adviser
to the Independent Board Committee and
the Independent Shareholders

Shenwan Hongyuan Capital (H.K.) Limited
Sinopec Shanghai Petrochemical Company Limited will convene the EGM at the North Building of Jinshan Hotel, No. 1, Jinyi East Road, Jinshan District, Shanghai, the PRC on Tuesday, 20 December 2022 at 2:00 p.m.. The notice convening the EGM for the H Shareholders is set out on pages II-1 to II-4 of this circular and was published on the websites of the Hong Kong Stock Exchange, the Shanghai Stock Exchange and the Company.
Whether or not you are able to attend the EGM in person, please complete the form of proxy of the Company in accordance with the instructions printed thereon and return it to Hong Kong Registrars Limited at 17M Floor, Hopewell Centre, 183 Queen ’ s Road East, Wanchai, Hong Kong as soon as practicable and in any event not less than 24 hours before the time for holding the EGM (i.e., 2:00 p.m. on 19 December 2022 (HKT)) or any adjournment thereof (as the case may be).
Completion and return of the form of proxy of the Company will not preclude you from attending and voting in person at the EGM or any adjournment thereof (as the case may be) as you wish.
30 November 2022