Biddle Albert G.W. III

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
2 Jan 25	APPN Appian	Class A Common Stock	Grant	Acquire A	No	No	0	947	0.00	30,338
1 Oct 24	APPN Appian	Class A Common Stock	Grant	Acquire A	No	No	0	915	0.00	29,391
1 Jul 24	APPN Appian	Class A Common Stock	Grant	Acquire A	No	No	0	1,012	0.00	28,476
31 May 24	APPN Appian	Class A Common Stock	Buy	Acquire P	No	No	27.98	5,500	153.89 k	27,464
31 May 24	APPN Appian	Class A Common Stock	Buy	Acquire P	No	No	28.02	2,275	63.75 k	21,964
30 May 24	APPN Appian	Class A Common Stock	Buy	Acquire P	No	No	28.02	3,225	90.36 k	19,689
1 Apr 24	APPN Appian	Class A Common Stock	Grant	Acquire A	No	No	0	782	0.00	16,464

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.