Table of Contents Non-U.S. Employee Stock Purchase Plans As of December 31, 2018, we had 23 employee stock purchase plans (the "EIP Plans") administered outside the United States for our non-U.S. employees, which had approximately 11,000 active participants in the aggregate. During the fourth quarter of 2018, approximately 123,000 shares of Caterpillar common stock were purchased by the EIP Plans pursuant to the terms of such plans. Issuer Purchases of Equity Securities Period Total Number of Shares Purchased 2,3,4 Average Price Paid per Share 2,3,4 Total Number of Shares Purchased as Part of Publicly Announced Program Approximate Dollar Value of Shares that May Yet be Purchased under the Program (in billions) 1 October 1-31, 2018 7,492,531 $ 124.66 7,492,531 $ 2.609 November 1-30, 2018 5,622,285 $ 125.89 5,622,285 $ 1.901 December 1-31, 2018 1,754,824 $ 126.19 1,754,824 $ 1.680 Total 14,869,640 $ 125.30 14,869,640 $^{1 }$In January 2014, the Board of Directors authorized the repurchase of up to $10.0 billion of Caterpillar common stock, which expired on December 31, 2018 (the 2014 Authorization). In July 2018, the Board approved a new share repurchase authorization of up to $10.0 billion of Caterpillar common stock effective January 1, 2019, with no expiration. $^{2}$ During the third quarter of 2018, we entered into an accelerated stock repurchase (ASR) with a third-party financial institution to purchase $750 million of our common stock. In August 2018, upon payment of the $750 million to the financial institution, we received 4.8 million shares. In October 2018, upon final settlement of the August 2018 ASR, we received 0.4 million shares at an average price of $143.31. $^{3}$ During the fourth quarter of 2018, we entered into an ASR with a third-party financial institution to purchase $750 million of our common stock. In October 2018, upon payment of $750 million to the financial institution, we received 6.0 million shares. In December 2018, upon final settlement of the ASR, we received an additional 0.1 million shares. In total, we repurchased 6.1 million shares under this ASR at an average price per share of $124.40. $^{4}$ In October, November, and December of 2018, we repurchased 1.1 million, 5.6 million, and 1.7 million additional shares respectively, for an aggregate of $1.0 billion in open market transactions at an average price per share of $118.28, $125.89, and $126.29, respectively. Some purchases made during the fourth quarter of 2018 were made pursuant to a trading plan meeting the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934. Share repurchases in the table above are reported based on the trade dates. 23