3Q21 Earnings Conference Call

Braskem participates in COP26 in Glasgow

EARNINGS

CONFERENCE CALL 3Q21

N O V E M B E R 1 0 , 2 0 2 1

FORWARD-LOOKING

STATEMENTS

This presentation includes forward-looking statements. These forward-looking statements represent not solely historical data, but also reflect the goals and expectations of Braskem's management. The terms "anticipate," "believe," "expect," "foresee," "intend," "plan,"

"estimate," "project," "aim" and similar terms are used to

indicate forward-looking statements. Although we believe these forward-looking statements are based on reasonable assumptions, they are subject to various risks and uncertainties and are prepared using the information currently available to Braskem.

This presentation was updated as of September 30, 2021, and Braskem does not assume any obligation to update it in light of new information or future developments.

Braskem undertakes no liability for transactions or investment decisions made based on the information in this presentation.

PUBLIC

In 3Q21, petrochemical spreads remained at high levels and above the upcycle of the petrochemical industry

PE US - Naphtha ARA Spread¹		PE US - Ethane US Spread¹			PP US - Propylene US Spread¹
($/ton)						($/ton)							($/ton)
			1,059	1,567	1,855	1,839				1,088	1,583	1,924	1,943				1,664	2,579	2,770	3,226
774	703	904				773	704	915				1,279	1,194	1,407
414		377	393	544	596	668								683	577	768	908	1,609	1,477	1,815
236	103	141	162	156	178	192	257
				+121%	+9%
			+122%	-7%				+124%	-3%
					1,259	1,171					1,406	1,733	1,686						1,293	1,411
				1,024											970
																	757
		527	666				670		753	932				595	617	639
360	467				563
1Q20	2Q20	3Q20	4Q20	1Q21	2Q21	3Q21	1Q20	2Q20	3Q20	4Q20	1Q21	2Q21	3Q21	1Q20	2Q20	3Q20	4Q20	1Q21	2Q21	3Q21
	PE USG - Brazil Mix²		Naphtha ARA		PE USG - Mexico Mix³	Ethane USG		PP US	Propylene US
			Spread						Spread						Spread

Compared to the prior-year quarter, spreads widened significantly, mainly due to the global supply chain constraints caused

by impacts from natural events, the closure of ports to contain the Delta variant in Asia and the global container shortage pressuring

freight prices

Note (1): External Consultants. Note (2): PE USG Brazil Mix = 0.3*US LDPE + 0.3*US LLDPE + 0.4*US HDPE. Note (3): PE USG Mexico Mix = 0.286*US LDPE + 0.714*US HDPE.	PUBLIC

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3Q21 Highlights | Consolidated Braskem (1/2)

Recurring Operating Result - 3Q21 and 9M21

(US$ million)

Braskem improved its profitability in 2021 (9M21), as shown by the

period's higher recurring operating margin

Comments:

• In 3Q21, recurring Operating Result was US$1,469 million, down 17% on 2Q21, mainly due to:
• 1. lower international spreads for resins in Brazil,

		+116%	-17%
		1,776	1,469
	681
	3Q20	2Q21	3Q21
Recurring
Operating	23%	36%	27%
Margin¹

	261%		PP in Europe and PE in Mexico, though still
	4,510		above the historical average of the last 10
		years³
		ii.	lower PP sales volume in the United States
			and Europe
		• Compared to 3Q20, recurring Operating Result in
		USD advanced 116%, due to:
1,249		i.	better international spreads for main
			chemicals, PE and PVC in Brazil, for PP in the
			United States and Europe and for PE in Mexico
9M20	9M21	ii.	higher sales volume for main chemicals in
			Brazil and for PP in the United States and
16%	31%²		Europe

Source: Braskem. Note (1): Recurring Operating Result as a ratio of Net Revenue. Note (2): Recurring Operating Margin in recent historical data (2017-2020) was 18%.

Note (3): Based on period from 2011 to 2020.

PUBLIC

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3Q21 Highlights | Consolidated Braskem (2/2)

Net Income - 3Q21 and 9M21

(R$ million)

Comments:

Positive net margin in 2021, reversing the net loss	• In 3Q21, Braskem reported Net Income of
in the prior year	R$3,537 million

				n.a.
				13,455	• Additionally, in the year to September 2021,
		-52%			Braskem reported Net Income of R$13,455
	7,424				million, representing R$16.91² per common
		3,537			share and class "A" preferred share
					• In December 2020, the Company registered
-1,413					Accumulated Losses of R$4,530 million; at end-
				September, the Company reversed its
			-7,538		Accumulated Losses to register Accumulated
				Profits of R$8,947 million
3Q20	2Q21	3Q21	9M20	9M21

Net	-9%	28%	12%		-19%	17%
Margin¹

Source: Braskem. Note (1): Based on Net Income as a ratio of Net Revenue. Note (2): Excludes the Company's Net Loss in December 2020 of R$4,530 million.	PUBLIC

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