X0306 4 2020-06-15 0000749647 Celsion CORP CLSN 0001661392 Braun Donald P C/O CELSION CORPORATION 997 LENOX DRIVE, SUITE 100 LAWRENCEVILLE NJ 08648 1 Option to Purchase Celsion Corporation Common Stock 3.66 2020-06-15 4 A 0 4000 0 A 2021-06-15 2030-06-15 Celsion Corporation Common Stock 4000 111357 D Option to Purchase Celsion Corporation Common Stock 2.22 2020-06-15 4 D 0 50000 0 D 2018-05-15 2028-05-15 Celsion Corporation Common Stock 50000 61357 D Option to Purchase Celsion Corporation Common Stock 2.58 2020-06-15 4 A 0 50000 0 A 2020-05-15 2028-05-15 Celsion Corporation Common Stock 50000 111357 D Represents the closing price of Celsion Corporation Common Stock on the date of grant. The options vest as follows: 1/3 on the one year anniversary of the date of grant; 1/3 on the second year anniversary of the date of grant; and 1/3 on the third year anniversary of the date of grant. The transaction reported herein reflects a one-time stock option repricing that became effective on June 15, 2020 and is being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the settlement agreement as filed as Exhibit 10.2 on Form 8K dated June 16, 2020, the per share exercise price of the Employee Stock Option (right to buy) has been amended to increase such per share exercise price from $2.22 to $2.58. There have been no other changes to the terms of the Employee Stock Option (right to buy). /s/ Timothy J Tumminello 2020-06-16