X0306 4 2014-02-03 0 0000006176 AMPCO PITTSBURGH CORP AP 0001279916 LIEBERMAN WILLIAM K 339 SIXTH AVENUE HEINZ 57 CENTER, SUITE 720 PITTSBURGH PA 15222 1 0 0 0 Common Stock 2014-02-03 4 P 0 48.9922 17.8743 A 5348.9922 D Common Stock 2014-05-01 4 P 0 44.1201 20.048 A 5393.1123 D Common Stock 2014-08-01 4 P 0 54.8689 20.366 A 5447.9812 D Common Stock 2014-11-03 4 P 0 56.9162 19.807 A 5504.8974 D Common Stock 2015-02-02 4 P 0 82.1472 18.2304 A 5587.0446 D Common Stock 2015-05-01 4 P 0 94.538 16.028 A 5681.4026 D Common Stock 2015-08-03 4 P 0 136.7749 13.274 A 5818.1775 D Common Stock 2015-11-02 4 P 0 158.1853 11.633 A 5976.3628 D Common Stock 2016-02-01 4 P 0 184.2487 10.142 A 6160.6115 D Common Stock 2016-05-02 4 P 0 50.489 18.834 A 6211.1005 D Common Stock 2016-08-01 4 P 0 94.8224 13.122 A 6305.9229 D Common Stock 2016-10-31 4 P 0 119.0803 10.5205 A 6425.0032 D Common Stock 2017-01-31 4 P 0 84.9401 14.8753 A 6509.9433 D Common Stock 2017-05-01 4 P 0 87.4972 14.5279 A 6597.4405 D Common Stock 2020-09-22 4 X 0 18807 3.50 A 60938 D Common Stock 2020-09-22 4 X 0 2944 3.50 A 9541.4405 D Subscription Rights (right to buy) 1.5624 2020-09-22 4 X 0 42131 0.00 D 2020-08-18 2020-09-18 Units consisting of Common Stock and Series A Warrants 0 D Series A Warrants (right to buy) 2.5668 2020-09-22 4 X 0 42131 A 2020-09-18 2025-08-01 Common Stock 18807 42131 D Subscription Rights (right to buy) 1.5624 2020-09-22 4 X 0 6597 0.00 D 2020-08-18 2020-09-18 Units consisting of Common Stock and Series A Warrants 0 D Series A Warrants (right to buy) 2.5668 2020-09-22 4 X 0 6597 A 2020-09-18 2025-08-01 Common Stock 2944 6597 D The purchase of these shares was inadvertently omitted due to administrative oversight. Reflects reinvestment of dividends received under a broker-administered dividend reinvestment plan. Joint w/ spouse Represents the conversion of a subscription right issued by the Issuer as part of a rights offering. Each subscription right was exercisable for units that consisted of (i) 0.4464 shares of common stock and (ii) a Series A warrant exercisable to acquire 0.4464 shares of common stock at an exercise price of $2.5668 (or $5.75 per whole share of common stock under the Series A warrants). The subscription price of each unit was $1.5624 per unit (or $3.50 per whole share of common stock and Series A warrants to purchase a whole share of common stock). The securities issued upon conversion of the subscription rights are exempted from Section 16(b) pursuant to Rule 16b-3. Each Series A warrant represents the right to purchase 0.4464 shares of common stock at an exercise price of $2.5668 per share and was issued as part of a subscription right issued in a rights offering by the Issuer. The Series A warrants are exercisable only for whole numbers of shares of Common Stock. /s/ Rose Hoover for William K. Lieberman (POA previously filed) 2020-09-24