BP gas and low carbon chief William Lin set to leave as firm changes structure -memo

* BP changing organisation into two main unites: upstream, ​downstream

* Lin ⁠to stay at BP until ​Q3

* New leaders of the two new units yet to be announced

* Separately, BP ousted its ​chairman ‌last week (Adds Lin set to leave BP in third quarter, spokesperson declines to ⁠comment on who would lead new business units, ⁠adds graphic)

LONDON, June ​1 (Reuters) - BP's gas and low carbon business chief William Lin is set to leave the company as the oil major reorganises its operations, a BP spokesperson confirmed ​after ‌an internal note went out on Monday to thank him for his services.

BP CEO Meg O'Neill, who took office in April, is reorganising BP into two main business units of downstream and upstream - bundling oil and gas ​production - in a move aimed at making BP simpler and more valuable. ‌This change would start in June, sources have told Reuters.

BP currently has three main business units. Its gas ‌and low carbon unit includes gas-focused production, while production and operations covers oil output, its U.S. onshore business and refining. The customers and products unit includes ​fuel sales, petrol stations and lubricants.

Lin, a BP veteran of three decades, is set to ‌leave in the third quarter.

“We thank William for his leadership, impact, and long-standing commitment to BP, and wish him every success for the future," O'Neill said in ⁠the note. ⁠A spokesperson declined to comment who would lead ‌the two new business units.

Gordon Birrell is in charge of the production and operations segment. Separately, the ​board of ​BP, which is revamping itself to focus on its ‌core oil and gas business and away from renewables, last week ousted Chair Albert Manifold and expressed serious concerns about his governance standards, oversight and conduct.

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