X0306 4 2018-06-11 0 0001620533 Shake Shack Inc. SHAK 0001592643 Select Equity Group, L.P. 380 LAFAYETTE STREET 6TH FLOOR NEW YORK NY 10003 0 0 1 0 0001060793 SEG PARTNERS L P C/O SELECT EQUITY GROUP 380 LAFAYETTE STREET NEW YORK NY 10003 0 0 1 0 0001215218 SEG PARTNERS II L P C/O SELECT EQUITY GROUP 380 LAFAYETTE STREET NEW YORK NY 10003 0 0 1 0 0001632171 SEG Partners Offshore Master Fund, Ltd. C/O SELECT EQUITY GROUP 380 LAFAYETTE STREET NEW YORK NY 10003 0 0 1 0 0001632169 Loening George S C/O SELECT EQUITY GROUP 380 LAFAYETTE STREET NEW YORK NY 10003 0 0 1 0 Class A Common Stock, par value $0.001 per share 2018-06-11 4 S 0 2455 63.4250 D 299404 I See Footnotes Class A Common Stock 2018-06-11 4 S 0 4290 63.4250 D 425979 I See Footnotes Class A Common Stock 2018-06-11 4 S 0 955 63.4250 D 87126 I See Footnotes Class A Common Stock 2018-06-11 4 S 0 34544 62.6299 D 264860 I See Footnotes Class A Common Stock 2018-06-11 4 S 0 60303 62.6299 D 365676 I See Footnotes Class A Common Stock 2018-06-11 4 S 0 13459 62.6299 D 73667 I See Footnotes Class A Common Stock 2018-06-11 4 S 0 4655 64.4794 D 260205 I See Footnotes Class A Common Stock 2018-06-11 4 S 0 8130 64.4794 D 357546 I See Footnotes Class A Common Stock 2018-06-11 4 S 0 1815 64.4794 D 71852 I See Footnotes See Exhibit 99.1. See Exhibit 99.1. See Exhibit 99.1. See Exhibit 99.1. List of Exhibits Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filers' Names and Addresses Exhibit 99.3 - Joint Filers' Signatures SELECT EQUITY GROUP, L.P., By: Select Equity GP, LLC, its general partner, By: /s/ George S. Loening 2018-06-13