EnerSys — Director's Dealing 2010

Dec 3, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EnerSys (ENS)
CIK: 0001289308
Period of Report: 2010-12-01

Reporting Person: Zuidema Richard W (EVP & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-01	Common Stock	M	65957	$21.91	Acquired	156007	Direct
2010-12-01	Common Stock	S	65957	$30.9194	Disposed	90050	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-01	Stock Options	$21.91	M	64760	Disposed	2012-03-22	Common Stock (64760)	Direct
2010-12-01	Stock Options	$21.91	M	1197	Disposed	2012-03-22	Common Stock (1197)	Direct

Footnotes

F1: These options vested twenty-five percent on March 22, 2003 and March 22, 2004; thirty percent on July 29, 2004; and twenty percent on March 22, 2005.

F2: These options were seventy-five percent vested upon grant, and fully vested on July 29, 2004.

F3: This reporting person holds an aggregate total of 102,937 option shares, with various prices, exercisability and expiration dates.