Mowi ASA

Major Shareholding Notification • Jan 11, 2018

BLACKROCK

12 Throgmorton Avenue London EC2N 2DL Tel 020 7743 3650 Fax 020 7668 4045 www.blackrock.co.uk

11 January 2018

Marine Harvest ASA PO Box 4102 Sandviken 5835 Bergen NORWAY kim.dosvig@marineharvest.com glenn.flanders@marineharvest.com Ingrid.Jaeger@marineharvest.com ma@oslobors.no

Dear Sir/Madam,

Disclosure of Significant Shareholding under the Norwegian Securities Trading Act

On 10^th January 2018 BlackRock, Inc disposed of 1,900,784 shares and voting rights in Marine Harvest ASA, resulting in a shareholding of 22,537,533 (4.60%) shares and voting rights.

The chain of controlled undertakings through which the shares and voting rights are effectively held is attached at Appendix A.

In the event of any queries, please contact the Regulatory Thresholds Reporting Team on 020 7743 3650.

Yours faithfully,

For the BlackRock Group

Laurel Clark Vice President Regulatory Threshold Reporting Team Phone: 020 7743 3650

BLACKROCK

12 Throgmorton Avenue London EC2N 2DL Tel 020 7743 3650 Fax 020 7668 4045 www.blackrock.co.uk

Appendix A

Chain of controlling companies
Company	Number of shares and voting rights	Percentage of shares and voting rights
BlackRock (Netherlands) B.V.	58,549	0.01%
BlackRock (Singapore) Limited	33,830	0.01%
BlackRock Advisors (UK) Limited	2,589,619	0.53%
BlackRock Advisors, LLC	627,864	0.13%
BlackRock Asset Management Deutschland AG	658,255	0.13%
BlackRock Asset Management North Asia Limited	3,600	0.00%
BlackRock Financial Management, Inc.	21,726	0.00%
BlackRock Fund Advisors	4,326,863	0.88%
BlackRock Institutional Trust Company, National Association	6,201,775	1.27%
BlackRock International Limited	86,473	0.02%
BlackRock Investment Management (Australia) Limited	105,431	0.02%
BlackRock Investment Management (UK) Limited	6,580,436	1.34%
BlackRock Investment Management, LLC	469,588	0.10%
BlackRock Japan Co., Ltd.	547,225	0.11%
BlackRock Asset Management Canada Limited	226,299	0.05%
TOTAL	22,537,533	4.60%

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