X0306 4 2020-10-16 0001646228 At Home Group Inc. HOME 0001678176 Corsa Peter SG AT HOME GROUP INC. 1600 EAST PLANO PARKWAY PLANO TX 75074 true President and COO Common Stock 2020-10-16 4 M 0 3851 9.7536 A 20466 D Common Stock 2020-10-16 4 M 0 7824 9.7536 A 28290 D Common Stock 2020-10-16 4 S 0 11675 21.9409 D 16615 D Common Stock 8653 I By trust Employee Stock Option (Right to Buy) 9.7536 2020-10-16 4 M 0 3851 0 D 2024-06-03 Common Stock 3851 57760 D Employee Stock Option (Right to Buy) 9.7536 2020-10-16 4 M 0 7824 0 D 2023-01-10 Common Stock 7824 117355 D This exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 23, 2020. This amount includes 10,980 shares deliverable upon vesting and settlement of restricted stock units. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 23, 2020. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.42 to $22.25, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The reporting person beneficially owns these shares indirectly through the revocable Corsa Family Trust of 2006 (the "Trust"). The reporting person and his wife serve as the trustees and are the beneficiaries of the Trust. These options are fully vested. /s/ Mary Jane Broussard, Attorney-in-Fact for Peter S.G. Corsa 2020-10-20