X0306 4 2017-03-13 0 0001488813 Customers Bancorp, Inc. CUBI 0001497036 Choudhrie Bhanu 1015 PENN AVENUE, SUITE 103 WYOMISSING PA 19610 1 0 0 0 Common Stock 2017-03-15 4 A 0 874 32.82 A 16734 D Common Stock 2017-03-13 4 S 0 9051 33.50 D 937713 I By Lewisburg LLC Common Stock 2017-03-14 4 S 0 70949 32.90 D 866764 I By Lewisburg LLC Common Stock 2017-03-15 4 S 0 220000 32.51 D 646764 I By Lewisburg LLC This stock was issued to the reporting person in lieu of cash for director compensation for Q1 2017. This transaction was executed in multiple trades at prices ranging from $33.50 to $33.55. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $32.84 to $33.06. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $35.85 to $35.65. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Bhanu Choudhrie by Carlyn A. D'Amico under Power of Attorney 2017-03-15