MESOBLAST LTD — Capital/Financing Update 2022

Aug 3, 2022

Market Announcement

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4 August 2022

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Mesoblast Limited (ASX: MSB) – Trading Halt

Description

The securities of Mesoblast Limited (‘MSB’) will be placed in trading halt at the request of MSB, pending it releasing an announcement. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of the commencement of normal trading on Monday, 8 August 2022 or when the announcement is released to the market.

Issued by

Melissa Kostopoulos

Compliance Adviser, Listings Compliance (Melbourne)

Market Announcement 1/1 ASX Customer Service Centre 131 279 | asx.com.au

4 August 2022 ASX Limited

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4 August 2022

Ms Melissa Kostopoulos Adviser, Listings Compliance (Melbourne) ASX Compliance Pty Limited Level 4 Rialto North Tower 525 Collins Street Melbourne VIC 3000

Copy: tradinghaltsmelbourne@asx.com.au

Dear Melissa,

Request for trading halt for Mesoblast Limited (ASX: MSB)

Pursuant to ASX Listing Rule 17.1, Mesoblast Limited ACN 109 431 870 (ASX: MSB; NASDAQ: MESO) (the Company ) requests a trading halt in its securities effective immediately pending an announcement by the Company in relation to a proposed private placement.

For the purposes of Listing Rule 17.1, the Company provides the following information:

• (a) the trading halt is requested pending an announcement in relation to a private placement;

• (b) the Company requests that the trading halt continues until the earlier of it making an announcement regarding the matters above and the commencement of trading on Monday 8 August 2022; and

• (c) the Company is not aware of any reason why the trading halt should not be granted or of any other information necessary to inform the market about the trading halt.

Yours sincerely

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Paul Hughes Joint Company Secretary Mesoblast Limited

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