X0306 4 2018-04-25 0 0001521332 Aptiv PLC APTV 0001526193 Sidlik Thomas W 5725 INNOVATION DRIVE TROY MI 48098 1 0 0 0 Ordinary Shares 2018-04-25 4 X 0 28 0.00 A 10837 D Ordinary Shares 2018-04-25 4 F 0 259 85.21 D 10578 D Ordinary Shares 2018-04-26 4 A 0 1819 0.00 A 12397 D Dividend Equivalent Right 2018-04-25 4 X 0 28 0.00 D Ordinary Shares 28 0 D Settlement of dividend equivalent rights in connection with the vesting of restricted stock units. The rights accrued when and as dividends were paid on the Issuer's ordinary shares and vest upon the vesting of the restricted stock unit to which they relate. Each dividend equivalent right is the economic equivalent of one ordinary share. Reflects an antidilution adjustment (the "Spin-Off Adjustment") to the number of ordinary shares reported held by the Reporting Person, which Spin-Off Adjustment was made prior to this vesting date in connection with the spin-off of Delphi Technologies PLC from the Issuer on December 4, 2017. Shares withheld to pay current tax liabilities incident to the vesting of restricted stock units and settlement of dividend equivalent rights. The Reporting Person has received restricted stock units that each represent a right to receive one ordinary share of the Issuer pursuant to the Issuer's Long Term Incentive Plan, as amended and restated, and will vest in full one day before the Issuer's Annual Meeting of Shareholders in 2019. Reflects here and in Table 1 above the Spin-Off Adjustment to the Reporting Person's dividend equivalent rights. /s/ Rachel V. Friedenberg, Attorney-in-fact for Thomas W. Sidlik 2018-04-27