ZIFF DAVIS, INC. — Director's Dealing 2010

May 19, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: J2 GLOBAL COMMUNICATIONS INC (JCOM)
CIK: 0001084048
Period of Report: 2010-05-17

Reporting Person: Adelman Jeffrey Daniel (VP/General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-17	Common Stock, $0.01 par value	M	24000	$18.765	Acquired	80098	Direct
2010-05-17	Common Stock, $0.01 par value	M	8600	$17.19	Acquired	88698	Direct
2010-05-17	Common Stock, $0.01 par value	S	36322	$23.99	Disposed	52376	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-17	Option to purchase Common Stock	$18.765	M	24000	Disposed	2015-08-31	Common Stock, $0.01 par value (24000)	Direct
2010-05-17	Option to purchase Common Stock	$17.19	M	8600	Disposed	2019-03-05	Common Stock, $0.01 par value (8600)	Direct

Footnotes

F1: These shares were acquired upon exercise of stock options under the Issuer's Amended and Restated 1997 Stock Option Plan identified as exercised in Part II of this Form 4.

F2: These shares were acquired upon exercise of stock options under the Issuer's 2007 Stock Plan identified as exercised in Part II of this Form 4.

F3: Includes 46,950 shares of restricted stock which remain subject to vesting.

F4: Employee stock option granted for services rendered, no value placed on services rendered.