Corporate

Workplace Safety & Prevention Services Notes to Financial Statements March 31, 2018  Workplace Safety & Prevention Services  | 22 Defined benefit pension plan Employees belong to the WSIB Employees' Pension Plan and the WSIB Employees' Supplementary Pension Plan which are defined benefit plans that meet the definition of a multiemployer plan under ASPE 3462 and are thus accounted for as defined contribution plans. The plans provide for partially indexed pensions based on years of service and earnings rates near retirement. The investment activities and the administrative and accounting matters of the pension are administered by the WSIB. Investment in Centre for Health & Safety Innovation (CHSI) The Corporation is a founding member of CHSI, a not-for-profit organization that provides shared premises for the Corporation and one other Ontario health and safety organization. Under its membership agreement, the Corporation is determined to be a party to a joint venture with one other party. The Corporation paid a fee equivalent to 74.36% of the start-up and operating costs of CHSI. The Corporation has chosen to use the equity basis to account for its proportionate share of the annual operating results of CHSI (note 4). Use of estimates The preparation of financial statements in accordance with the basis of accounting as described in note 2 requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from management's best estimates as additional information becomes available in the future. 3 INVESTMENTS Short-term investments comprise the following: 2018 $ 2017 $ Market-linked guaranteed investment certificates maturing  between July 17, 2018 and March 18, 2019 6,200,000 — Guaranteed investment certificates maturing between  May 4, 2018 and January 15, 2018 yielding between 1.30% and 2.08% 33,799,803 30,289,323 39,999,803 30,289,323 Long-term investments comprise market-linked guaranteed investment certificates maturing between November 18, 2019 and January 13, 2020.

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