X0306 4 2021-11-02 0 0001587246 Cypress Environmental Partners, L.P. CELP 0001542720 Herbers Jeffrey A C/O CYPRESS ENVIRONMENTAL PARTNERS, L.P. 5727 S. LEWIS AVE., SUITE 300 TULSA OK 74105 0 1 0 0 See Remarks Common Units (Limited Partner Interests) 2021-11-02 4 M 0 3384 A 20305 D Common Units (Limited Partner Interests) 2021-11-02 4 F 0 963 1.62 D 19342 D Phantom Units (Limited Partner Interests) 2021-11-02 4 M 0 3384 D Common Units (Limited Partner Interests) 3384 0 D Each phantom unit is the economic equivalent of one common unit. On November 2, 2016, the Reporting Person was granted 10,152 phantom units which vest in equal installments on November 2, 2019, 2020 and 2021, subject to Reporting Person's continued service with the Issuer through the applicable vesting dates. The phantom units expire upon settlement. The phantom units are settled upon vesting in common units (on a one-for-one basis) or in cash, at the desertion of the Issuer. The Reporting Person is Chief Financial Officer of Cypress Environmental Partners GP, LLC, the general partner of the Issuer (the "General Partner"). The Issuer is managed by the directors and executive officers of the General Partner. /s/ Jonathan M. Cinocca, Attorney-in-Fact for Jeffrey A. Herbers 2021-11-03