MINERALS TECHNOLOGIES INC. AND SUBSIDIARY COMPANIES  NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  Non-U.S. equities — This class included actively managed common equity securities comprised primarily of international  large-capitalization stocks.  Fixed income — This class included debt instruments issued by the US Treasury, and corporate debt instruments. The following table summarizes our defined benefit pension plan assets measured at fair value as of December 31, 2012:  Millions of Dollars  Pension Assets at Fair Value as of December 31, 2012  Asset Class  Quoted  Prices In Active  Markets for Identical  Assets Significant  Other Observable  Inputs Significant Unobservable  Inputs Total  (Level 1)  (Level 2)  (Level 3)  Equity Securities.......................................................... US equities.............................................................. $  104.5 $  -- $  -- $ 104.5  Non-US equities ..................................................... 15.0 -- -- 15.0  Fixed Income Securities  Corporate debt instruments..................................... 43.1 31.0  -- 74.1  Real estate and other Real estate ............................................................... -- -- 1.0  1.0  Other ....................................................................... -- -- 17.4  17.4  Total Assets ................................................................. $  162.6  $  31.0  $  18.4  $ 212.0  The Company expects to contribute $10 million to its pension plans and $1 million to its other post-retirement benefit plan  in 2014.  The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid:  The investment strategy for pension plan assets is to maintain a broadly diversified portfolio designed to both preserve and  grow plan assets to meet future plan obligations. The Company's average rate of return on assets from inception through  December 31, 2013 was over 10% . The Company’s assets are strategically allocated among equity, debt and other  investments to achieve a diversification level that dampens fluctuations in investment returns. The Company ’s long -term  investment strategy is an investment portfolio mix of approximately 65% in equity securities and 35% in fixed income  securities. As of December 31, 2013, the Company had approximately 65% of its pension assets in equity securities and 35%  in fixed income securities. The Company maintains a voluntary Savings and Investment Plan (a 401K plan) for most non-union employees in the  U.S. Within prescribed limits, the Company bases its contribution to the Plan on employee contributions. The Company's  contributions amounted to $2.8 million for each of the years ended December 31, 2013, 2012 and 2011. Contributions Estimated Future Benefit Payments  Investment Strategies Savings and Investment Plans Millions of Dollars  Pension Benefits Other   Benefits  2014 .................................................$  14.1 $  0.8  2015 .................................................$  15.4 $  0.8  2016 .................................................$  17.3 $  0.8  2017 .................................................$  18.1 $  0.7  2018 .................................................$  18.0 $  0.8  2019-2023 .......................................$  101.4 $  3.4  F-24 