Banco Comercial Portugues : Português, S.A. informs about reinforcement of the qualified shareholding

April 17, 2017 Banco Comercial Português, S.A. informs about reinforcement of the qualified shareholding of Norges Bank

In accordance with article 17 of the Portuguese Securities Code (Código dos Valores Mobiliários),

Banco Comercial Português, S.A. ("BCP") hereby informs that it has received the attached notice from Norges Bank, communicating that, following transactions dated April 7, 2017, the latter became the holder of a 2.42% stake in BCP's share capital.

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BANCO COMERCIAL PORTUGUÊS, S.A.,

a public company (sociedade aberta)

having its registered office at Praça D. João I, 28, Oporto, registered at the Commercial Registry of Oporto,

with the single commercial and tax identification number 501 525 882

and the share capital of EUR 5,600,738,053.72

INVESTOR RELATIONS

Rui Coimbra

Phone +351 211 131 084

investors@millenniumbcp.pt rui.coimbrafernandes@millenniumbcp.pt lmonteiro@millenniumbcp.pt

MEDIA CONTACT

Erik T. Burns

Phone +351 211 131 242

Mobile +351 917 265 020

erik.burns@millenniumbcp.pt cintia.barbas@millenniumbcp.pt

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European Securities and Markets Authority

Date:22 October 2015 ESMA/20 15/ 1597

Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the competent authorityy

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are at- tachedi1:

Banco Comercial Portugues SA (PTBCPOAM0007)

1. Reason for the notification (please tick the appropriate box or boxes): [X] An acquisition or disposal of voting rights

   [ ] An acquisition or disposal of financial instruments

   [ ] An event changing the breakdown of voting rights [ ] Other (please specify?:

2. Details of person subject to the notification obligationiv :

   Name: Norges Bank I City and country of registered office (if applicable): Oslo, Norway

3. Full name of shareholder(s) (if different from 3.)":

4. Date on which the threshold was crossed or reached•1: 07/04/2017

5. Total positions of person(s) subject to the notification obligation:

   % of voting rights % of voting rights Total number of attached to shares through financial in- Total of both in % voting rights of

   (totalof 7.A )

   struments (7.A + 7.8)

   (total of 7.8.1 + 7.8.2) issuer•i

   Resulting situation 1.86% 0.56% 2.42% 15,113,989,952

   on the date on which

   threshold was crossed or reached

   Position of previous 2 .15% 0.04% 2.18%

   notification (if appli-

   cable)

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     7. Notified details of the resulting situation on the date on which the threshold was crossed or reachedvm:
     A: Voting rights attached to shares
     Class/type of shares ISIN code (if possi- ble)	Number of voting rights;•		% of voting rights
     	Direct (Art 9 of Directive 2004/109/EC)	Indirect (Art 10 of Directive 2004/109/EC)	Direct (Art 9 of Directive 2004/109/EC)	Indirect (Art 10 of Directive 2004/109/ECl
     PTBCPOAM0007	280,891,936	1.86%
     SUBTOTAL A	280,891,936		1.86%

     B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC

     Type of financial	Expiration	Exercise/	Number of voting rights that may be acquired if
     instrument	date•	Conversion Period';	the instrument is exer-
     cised/ converted.

     % of voting rights

     hares on Loan (right to N/A IAt any time 85,222,739 0.56%

     lror"III

     SUBTOTAL B.1 85,222,739 0.56 %

     B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC
     Type of financial instrument	Expiration date•	Exercise/ Conversion Period'i	Physical or cash settlement•ii	Number of voting rights	% of voting rights
     SUBTOTAL B.2

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9. In case of proxy voting:[name of the proxy holder] will cease to hold [% and number] voting rights as of [date]

10. Additional informationxvi:

Done at [Oslo, Norway] on [10/04/2017].