Banco Comercial Portugues

Major Shareholding Notification • Mar 26, 2018

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 March 22, 2018, the latter became the holder of a 2.02% stake in BCP's share capital.

End of announcement Banco Comercial Português, S.A.

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

Date:22 October 2015 ESMA/2015/1597

Standard form for notification of major holdings

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

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached^":

Banco Comercial Portugues SA (PTBCP0AM0015)

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)":

3. Details of person subject to the notification obligation * :
Name: Norges Bank	City and country of registered office (if applicable): Oslo, Norway

1. Full name of shareholder(s) (if different from 3.)^v:

5. Date on which the threshold was crossed or reached": 22/03/2018

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

	% of voting rights attached to shares (total of 7.A)	% of voting rights through financial in- struments	Total of both in % $(7.A + 7.B)$	Total number of voting rights of issuer vii
Resulting situation on the date on which threshold was crossed or reached	0.79%	(total of $7.B.1 + 7.B.2$ ) 1.23 %	2.02%	15,113,989,952
Position of previous notification (if appli- cable)	0.13%	1.53 %	1.65 %

7. Notified details of the resulting situation on the date on which the threshold was crossed or reached^*":

Class/type of shares ISIN code (if possi- ble)	Number of voting rights ix		% 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/EC)
PTBCP0AM0015	119,105,406		0.79%
SUBTOTAL A		119,105,406	0.79%

Type of financial instrument	Expiration $date^x$	Exercise/ Conversion Period xi	Number of voting rights that may be acquired if the instrument is exer- cised/converted.	% of voting rights
Shares on Loan (right to recall)	N/A	At any time	185,852,744	1.23 %
		SUBTOTAL B.1	185,852,744	1.23 %

Type of financial instrument	Expiration date x	Exercise/ Conversion Period *i	Physical or cash settlement xii	Number of voting rights	% of voting rights
			SUBTOTAL B.2

1. Information in relation to the person subject to the notification obligation (please tick the applicable box):

[X] Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer.xiii

[] Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity**:

Name xv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial in- struments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold

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

Rollieus

1. Additional information^x/:

Done at [ Oslo, Norway ] on [23/03/2018].

Annex: Notification of major holdings (only to be filed with competent authority and not with the relevant issuer)

A: Identity of the person subject to the notification obligation
Full name (including legal form for legal entities) Norges Bank
Contact address (registered office for legal entities) Bankplassen 2, PO Box 1179, Sentrum, Oslo 0107, Norway
E-Mail NBIMRegulatoryCompliance@nbim.no
Phone number / Fax number 00 47 2407 3134
Other useful information (at least legal a contact person for legal persons) Sai Aanandha Shankhar/ Philippe Chiaroni/Joanna Niedzialek

B: Identity of the notifier, if applicable
--------------------------------------------	--	--	--	--	--	--	--

Full name

Contact address

E-Mail

Phone number / Fax number

Other useful information (e.g. functional relationship with the person or legal entity subject to the notification obliga- tion)

C: Additional information: