ATR · Aptargroup, Inc. · Insider Trading

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.2500 to $130.4500 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.

The stock option vests in three equal installments beginning on the first anniversary of the grant date. The remaining two installments will vest on March 19 of each succeeding year.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.3089 to $134.6747 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.3050 to $134.2708 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $137.0908 to $137.1073, inclusive. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.9000 to $136.8742, inclusive. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.0000 to $136.5200 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.9900 to $115.9650, inclusive. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.9900 to $116.1219, inclusive. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.2959 to $114.2594 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.0800 to $112.9825 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.3165 to $114.6715 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.0000 to $116.3700 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.2800 to $124.0000 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.2800 to $123.4600 inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth.