BENCHMARK ELECTRONICS INC — Director's Dealing 2012

May 1, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BENCHMARK ELECTRONICS INC (BHE)
CIK: 0000863436
Period of Report: 2012-04-30

Reporting Person: DORFLINGER PETER G (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-04-30	Common Stock	M	15750	$13.9555	Acquired	68979	Direct
2012-04-30	Common Stock	S	15750	$15.98	Disposed	53229	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-04-30	Stock Option (right to buy)	$13.9555	M	15750	Disposed	2012-05-14	Common Stock (15750)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1494	Direct

Footnotes

F1: These shares are represented by a restricted stock unit award. All awards represent a contingent right to receive one Common Share of Benchmark Electronics, Inc. and vest in quarterly installments over a one year period from the grant date.