X0206 3 2015-12-31 0 0000048898 HUBBELL INC HUBB 0001642425 Ruland Rodd Richard C/O HUBBELL INCORPORATED 40 WATERVIEW DRIVE SHELTON CT 06484 0 1 0 0 Group President, C&E Common Stock 5747 D Stock Appreciation Right 64.48 2021-12-05 Common Stock 1266 D Stock Appreciation Right 83.725 2022-12-04 Common Stock 4162 D Stock Appreciation Right 107.865 2023-12-10 Common Stock 3971 D Stock Appreciation Right 106.44 2024-12-02 Common Stock 3835 D Stock Appreciation Right 109.065 2025-07-01 Common Stock 3029 D Stock Appreciation Right 97.48 2025-12-08 Common Stock 12750 D The stock appreciation right vests and becomes exercisable in three equal annual installments beginning on December 5, 2012 (date of grant was December 5, 2011). The number of shares granted was 3,797. 2,531 shares of this grant have been exercised, leaving a balance of 1,266 shares. The stock appreciation right vests and becomes exercisable in three equal annual installments beginning on December 4, 2013 (date of grant was December 4, 2012). The stock appreciation right vests and becomes exercisable in three equal annual installments beginning on December 10, 2014 (date of grant was December 10, 2013). The stock appreciation right vests and becomes exercisable in three equal annual installments beginning on December 2, 2015 (date of grant was December 2, 2014). The stock appreciation right vests and becomes exercisable in three equal annual installments beginning on July 1, 2016 (date of grant was July 1, 2015). The stock appreciation right vests and becomes exercisable in three equal annual installments beginning on December 8, 2016 (date of grant was December 8, 2015). Megan C. Preneta, Attorney-in-fact for Rodd Ruland 2016-01-08