Exhibit 15

The Board of Directors and Shareholders of The Allstate Corporation

3100 Sanders Road

Northbrook, IL 60062

We are aware that our report dated November 1, 2023, on our review of the interim financial information of The Allstate Corporation and subsidiaries appearing in this Quarterly Report on Form 10-Q for the quarter ended September 30, 2023, is incorporated by reference in the following Registration Statements:

Form S-3 Registration Statement Nos.	Form S-8 Registration Statement Nos.
333-255698	333-04919
	333-40283
	333-134243
	333-175526
	333-188821
	333-200390
	333-218343
	333-228490
	333-228491
	333-228492
	333-231753

/s/ DELOITTE & TOUCHE LLP

Chicago, Illinois

November 1, 2023