X0306 4 2020-03-02 0001166691 COMCAST CORP CMCSA 0001771223 Reid Thomas J. ONE COMCAST CENTER PHILADELPHIA PA 19103 1 Sr EVP, GC and Secretary Option to Purchase 42.5200 2020-03-02 4 A 0 344700.0000 0.0000 A 2030-03-01 Class A Common Stock 344700.0000 344700.0000 D Restricted Stock Units 0.0000 2020-03-02 4 A 0 52900.0000 0.0000 A Class A Common Stock 52900.0000 130900.0000 D The options were granted on March 2, 2020 and become exercisable as follows: 30% becomes exercisable on the 2nd anniversary of the date of grant; an additional 15% on each of the 3rd, 4th and 5th anniversaries of the date of grant; and an additional 5% on each of the 6th, 7th, 8th, 9th and 9.5th anniversaries of the date of grant. Each restricted stock unit represents a contigent right to receive one share of Class A Common Stock. The restricted stock units vest in installments of 15%, 15%, 15%, 15% and 40% on the 13th-month, 2nd, 3rd, 4th and 5th anniversaries of the date of grant (March 2, 2020), respectively. /s/ Thomas J. Reid 2020-03-04