Slide 1

Shareholder Meeting May 7, 2013 Annual Meeting of Shareholders May 7, 2013

Slide 2

Shareholder Meeting May 7, 2013 Forward Looking Statements Certain statements contained in this presentation may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements may be identified by the use of forward-looking words or phrases such as expects, projected, scheduled, could, believe, anticipated and others. Such forward-looking statements involve numerous assumptions, known and unknown risks, uncertainties and other factors which may cause actual and future performance or achievements of the Company to be materially different from any future results, performance, or achievements expressed or implied by such forward-looking statements. Such factors include: achieving sales levels to fulfill revenue expectations; unexpected costs or charges, certain of which may be outside the control of the Company; general economic and business conditions; and competition. For additional information identifying factors that may cause actual results to vary materially from those stated in the forward- looking statements, refer to our most recent 10-K for the year ended December 31, 2012 that is filed with the SEC and is also available at www.hubbell.com.

Slide 3

Shareholder Meeting May 7, 2013 3 A Proud History Recent Performance Focus on The Future Agenda

Slide 4

Shareholder Meeting May 7, 2013 4 A Proud History

Slide 5

Shareholder Meeting May 7, 2013 5 A Proud History

Slide 6

Shareholder Meeting May 7, 2013 6 Recent Performance

Slide 7

Shareholder Meeting May 7, 2013 7 2012 Results Financial Results Record Sales and Earnings in 2012

Slide 8

Shareholder Meeting May 7, 2013 A Decade of Results Sales ($ Billions) OP Margin (% of Sales) 8 Hubbell improved its performance dramatically in the decade

Slide 9

Shareholder Meeting May 7, 2013 Key Themes for 2012 9 Breakthrough On The High Wire Plugging Into Global Opportunities Brighter Light In The Residential Market Innovative New ProductsExpanding Opportunities Leadership Position

Slide 10

Shareholder Meeting May 7, 2013 Focus On The Future

Slide 11

Shareholder Meeting May 7, 2013 One Hubbell Serving Our Customers Operating with Discipline Growing the Enterprise ReliableElectrical Solutions Developing Our People Our Strategic Objectives Are The Critical Few 11

Slide 12

Shareholder Meeting May 7, 2013 A Decade of Delivering Shareholder Value Strong performance has resulted in attractive returns for shareholders 12 Hubbell S&P 500

Slide 13

Shareholder Meeting May 7, 2013 Annual Meeting of Shareholders May 7, 2013