6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13A - 16 OR 15D - 16 OF

THE SECURITIES EXCHANGE ACT OF 1934

28 June 2021

Commission File No. 001-32846

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CRH public limited company

(Translation of registrant's name into English)

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Belgard Castle, Clondalkin,

Dublin 22, Ireland.

(Address of principal executive offices)

____________________________

Indicate by check mark whether the registrant files or will file annual reports

under cover of Form 20-F or Form 40-F:

Form 20-F X Form 40-F___

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by

Regulation S-T Rule 101(b)(1):_________

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by

Regulation S-T Rule 101(b)(7):________

Enclosure:

CRH completes latest phase of Buyback Programme

Press Release

CRH completes latest phase of Share Buyback Programme

CRH plc, the leading building materials business in the world, is pleased to announce that it has completed the latest phase of its share buyback programme, returning a further $0.3 billion of cash to shareholders.

Between 8 March and 24 June 2021, 5.8 million ordinary shares were repurchased on Euronext Dublin at an average discount of 1.03% to the volume weighted average price over the period.

This brings total cash returned to shareholders under our ongoing share buyback programme to $2.3 billion since its commencement in May 2018. Further share buybacks are under active consideration.

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Contact CRH at Dublin 404 1000 (+353 1 404 1000)

About CRH

CRH (LSE: CRH, ISE: CRG, NYSE: CRH) is the leading building materials business in the world, employing c.77,000 people at c.3,100 operating locations in 29 countries. It is the largest building materials business in North America and Europe and also has regional positions in Asia. CRH manufactures and supplies a range of integrated building materials, products and innovative solutions which can be found throughout the built environment, from major public infrastructure projects to commercial buildings and residential structures. A Fortune 500 company, CRH is a constituent member of the FTSE 100 Index, the EURO STOXX 50 Index, the ISEQ 20 and the Dow Jones Sustainability Index (DJSI) Europe. CRH's American Depositary Shares are listed on the NYSE. For more information visit www.crh.com.

Registered Office: No 12965. Registered Office: 42 Fitzwilliam Square, Dublin 2, R02 R279, Ireland

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.