X0306 4 2021-05-24 0 0001057083 PC TEL INC PCTI 0001761035 PAUL SUMEET SINGH 471 BRIGHTON DRIVE BLOOMINGDALE IL 60108 0 1 0 0 VICE PRESIDENT & CIO Common 2021-05-24 4 S 0 8000 6.6582 D 73510 D Common 2021-05-25 4 S 0 8000 6.6834 D 65510 D Common 2021-05-26 4 S 0 4000 6.5412 D 61510 D This transaction was executed in multiple trades at prices ranging from $6.65 to $6.705. 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 $6.6834 to $6.70. 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 $6.53 to $6.58. 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. Kevin J. McGowan, Atty-in-Fact 2021-05-26