EMPLOYEE STOCK PURCHASE PLAN
(Amended and Restated as of May 25, 2010)
1. Purpose of Plan.
The purpose of the Arbitron Inc. Employee Stock Purchase Plan (the “Plan”) is to advance the interests of
Arbitron Inc., a Delaware corporation formerly known as Ceridian Corporation (the “Company”), and its
stockholders by providing employees of the Company and certain of its subsidiaries with an opportunity to
acquire an ownership interest in the Company through the purchase of common stock of the Company on
favorable terms through payroll deductions. It is the intention of the Company that the Plan qualify as an
“employee stock purchase plan” under Section 423 of the Internal Revenue Code of 1986, as amended (the
“Code”), and provisions of the Plan shall be construed consistent with such intention.
The following terms will have the meanings set forth below, unless the context clearly otherwise requires:
2.1 “Agent” means the party or parties designated by the Company to provide Share Accounts and
certain administrative services in connection with the Plan.
2.2 “Applicable Dollar Limitation” means the maximum amount that a Participant can accrue for
purposes of purchases within any one calendar year as provided under Section 423(b)(8) of the Code (i.e.,
$25,000 as of May 25, 2010).
2.3 “Board” means the Board of Directors of the Company or any committee thereof to which the Board
of Directors has delegated authority with respect to the Plan.
2.4 “Common Stock” means the common stock, par value $.50 per share, of the Company, or the
number and kind of shares of stock or other securities into which such common stock may be changed in
accordance with Section 11 of the Plan.
2.5 “Committee” means the Compensation and Human Resources Committee of the Board, or such
successor committee that meets the criteria specified in Section 3.
2.6 “Contribution Account” means an account established for each