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Close Prices Last 3 Months

Price/volumes not adjusted for restructures

Date	Ex	Sym	Open	High	Low	Close	Chg	Total Vol	#Tr	Bid	Ask	T-TSX	U-NEO ATS	A-Alpha	O-Omega	P-Pure	X-Chi-X	H-CX2	D-CXD	L-LiquidNet	M-TriAct	I-Instinet	Y-Lynx	S-CS2
2024-05-01	T	ZPH	14.69	14.71	14.57	14.60	-0.12	4,867	43	14.52	14.81	627	400	1,400	300	116	1,750	2			101
2024-04-30	T	ZPH	14.91	14.91	14.71	14.72	-0.19	9,363	49	14.52	14.90	1,012	2,602	2,280	1,400		800	1,000			7
2024-04-29	T	ZPH	14.83	14.91	14.83	14.85	-0.10	8,550	43	14.66	14.95	4,693	900	600			2,137	1			99
2024-04-26	T	ZPH	14.86	14.92	14.86	14.91	-0.04	1,541	13	14.81	14.91	1	200	400		55	300	500			70
2024-04-25	T	ZPH	14.86	14.96	14.83	14.93	-0.02	1,164	17	14.76	15.09	731		100				1			168
2024-04-24	T	ZPH	15.04	15.04	14.93	14.97		3,297	27	14.85	15.15	1,000		200		194	900	801			70
2024-04-23	T	ZPH	14.90	14.97	14.90	14.95	0.18	11,743	21	14.80	15.03	7,501	200	100		76	2,900				113
2024-04-22	T	ZPH	14.77	14.85	14.76	14.82	0.07	6,619	33	14.80	14.84	1,044	400	2,374	600		500	1,301			159
2024-04-19	T	ZPH	14.90	14.90	14.74	14.75	-0.09	4,942	36	14.73	14.93	3,705		200		2	500	200			153
2024-04-18	T	ZPH	14.81	14.87	14.81	14.83		1,304	17	14.74	15.02	166		400			600				2
2024-04-17	T	ZPH	14.81	14.94	14.81	14.82	-0.01	2,198	17	14.75	14.99	825	200	365		3	500				14
2024-04-16	T	ZPH	14.72	14.85	14.72	14.83	0.08	6,021	40	14.76	15.04	904		500	1,300	257	2,559	201			126
2024-04-15	T	ZPH	14.90	14.94	14.74	14.75	-0.15	4,404	46	14.59	15.00	2,293	700	50		5	350	600			44
2024-04-12	T	ZPH	14.90	14.90	14.79	14.81	-0.13	3,489	55	14.75	15.08	702	503	1,431		35	300	101			101
2024-04-11	T	ZPH	14.97	14.98	14.94	14.98	0.03	1,937	22	14.90	15.14	341		200		23	1,323	1			13
2024-04-10	T	ZPH	15.01	15.01	14.95	14.98	-0.12	6,025	59	14.88	15.18	1,850	700	1,200	100	35	1,667	101			175
2024-04-09	T	ZPH	15.19	15.19	15.09	15.12	0.07	5,372	35	14.95	15.38	3,419	100	400	100	88	1,200	1			14
2024-04-08	T	ZPH	14.99	15.07	14.99	15.05	0.04	3,495	39	14.98	15.06	1,163	200		1,400	4	100	300			81
2024-04-05	T	ZPH	15.10	15.10	14.99	15.00		11,117	49	14.82	15.19	1,717	3,400	1,100	900	173	1,900	1,705			107
2024-04-04	T	ZPH	15.15	15.15	15.00	15.00	-0.12	35,766	108	14.70	15.25	4,711	5,400	3,900	1,300	246	18,200	1,600			291
2024-04-03	T	ZPH	15.13	15.14	15.09	15.09	-0.25	6,795	53	15.05	15.15	266	700	3,100	600	133	1,400	201			140
2024-04-02	T	ZPH	15.20	15.22	15.17	15.22	-0.12	3,052	46	15.10	15.42	17	400		1,600	289	300	101			44
2024-04-01	T	ZPH	15.35	15.38	15.34	15.36	-0.02	8,016	35	15.34	15.64	2,615	1,000	500	700	13	2,949	1			56
2024-03-28	T	ZPH	15.36	15.40	15.36	15.40	0.07	3,947	22	15.15	15.56	702		1,300			1,700	1			2
2024-03-27	T	ZPH	15.30	15.35	15.30	15.35	-0.04	3,624	35	15.10	15.54	860	500	100		50	1,400	501			182
2024-03-26	T	ZPH	15.42	15.42	15.39	15.39	-0.02	1,778	18	15.30	15.54	201			500			802			100
2024-03-25	T	ZPH	15.45	15.45	15.39	15.41	-0.08	3,469	63	15.30	15.43	325	800	516	500	62	100	200			602
2024-03-22	T	ZPH	15.50	15.50	15.46	15.49	-0.05	1,457	21	15.47	15.65	898	100	200		50		1			62
2024-03-21	T	ZPH	15.56	15.56	15.53	15.54	0.06	15,615	29	15.48	15.65	309	9,800	2,000	100	40	1,600				89
2024-03-20	T	ZPH	15.41	15.53	15.41	15.53	0.07	1,213	25	15.33	15.65	462	500	100		19		1			55
2024-03-19	T	ZPH	15.44	15.46	15.44	15.46		2,428	19	15.30	15.51	53		350		177	1,600	1			2
2024-03-18	T	ZPH	15.44	15.47	15.44	15.46	0.04	2,954	35	15.29	15.62	1,440		900		70	100	1			9
2024-03-15	T	ZPH	15.44	15.44	15.41	15.42	-0.12	2,710	39	15.23	15.62	420		77		2	1,300	301			61
2024-03-14	T	ZPH	15.65	15.65	15.50	15.51	-0.01	4,570	22	15.34	15.65	2,050	500	102		65	1,700				29
2024-03-13	T	ZPH	15.55	15.57	15.52	15.52	-0.01	9,233	24	15.27	15.57	1,221	1,100	700	500		4,900	500			184
2024-03-12	T	ZPH	15.48	15.53	15.48	15.52	0.04	4,073	30	15.33	15.65	2,871		1,000				1			127
2024-03-11	T	ZPH	15.45	15.48	15.41	15.48	0.08	4,298	24	15.28	15.48	1,371			300		1,900	501			61
2024-03-08	T	ZPH	15.48	15.48	15.39	15.40		10,104	32	15.32	15.47	5,600	1,414	1,414		33	1,100	501			31
2024-03-07	T	ZPH	15.39	15.44	15.39	15.42	0.08	4,654	37	15.28	15.48	1,611	700	1,500		20	500	1			89
2024-03-06	T	ZPH	15.36	15.38	15.32	15.34	0.01	4,538	32	15.25	15.48	2,213	301	601		10	1,100				173
2024-03-05	T	ZPH	15.11	15.36	15.11	15.29	0.05	20,022	73	15.14	15.36	10,266	901	3,265		120	4,720	1			45
2024-03-04	T	ZPH	15.33	15.33	15.21	15.24	-0.04	3,709	39	15.20	15.36	1,224		800	1,200	228		2			52
2024-03-01	T	ZPH	15.21	15.28	15.18	15.28	0.065	6,463	38	15.10	15.36	3,921				27	2,100				194
2024-02-29	T	ZPH	15.11	15.24	15.11	15.24	0.05	28,361	59	15.10	15.25	8,725	5,700	4,400	1,400	90	7,000	600			90
2024-02-28	T	ZPH	15.22	15.22	15.15	15.19	-0.04	5,379	32	15.00	15.19	672		3,200		115	1,100	1			86
2024-02-27	T	ZPH	15.23	15.23	15.23	15.23	-0.11	7,778	20	15.22	15.36	1,100		600	200	16	5,600				2
2024-02-26	T	ZPH	15.34	15.39	15.32	15.32	-0.03	8,142	46	15.26	15.36	4,870	400	1,980		158	300	1			42
2024-02-23	T	ZPH	15.16	15.37	15.16	15.35	0.07	6,947	48	15.26	15.44	4,615				119	1,900				3
2024-02-22	T	ZPH	15.33	15.33	15.28	15.30	0.06	3,377	25	15.24	15.34	2,001	800		200	50		101			114
2024-02-21	T	ZPH	15.26	15.26	15.22	15.24		4,560	26	15.20	15.34	345	100	100	1,600		1,700	500			94
2024-02-20	T	ZPH	15.25	15.25	15.24	15.24	0.01	708	17	15.20	15.34	393		90				1			21
2024-02-16	T	ZPH	15.22	15.28	15.22	15.23	-0.03	145,326	23	15.02	15.34	311	300		144,037	131		300			189
2024-02-15	T	ZPH	15.25	15.26	15.21	15.21	0.06	1,195	14	15.08	15.34	500	100	400		60		1			7
2024-02-14	T	ZPH	15.15	15.16	15.12	15.16	0.01	3,173	26	15.00	15.33	146	1,900	600	200		200	1			114
2024-02-13	T	ZPH	15.09	15.17	15.09	15.10	-0.18	2,753	31	15.00	15.31	620	400	1,300				1			174
2024-02-12	T	ZPH	15.27	15.29	15.26	15.26	0.01	4,339	48	15.18	15.34	1,683	100	1,300	100	48	300	300			12
2024-02-09	T	ZPH	15.27	15.27	15.23	15.25	0.08	3,956	29	15.04	15.34	1,688	750	700		35	300	201			210
2024-02-08	T	ZPH	15.22	15.25	15.22	15.25	0.08	1,382	24	15.07	15.34	1	400	300		22	300				186
2024-02-07	T	ZPH	15.10	15.20	15.10	15.17	0.10	3,848	43	14.85	15.30	714	1,800			221	400	1			197
2024-02-06	T	ZPH	15.04	15.07	15.03	15.05	-0.02	6,701	29	14.89	15.27	4	4,190	900	400	48		1,001			99
2024-02-05	T	ZPH	15.10	15.10	15.04	15.07	-0.02	5,210	63	14.85	15.28	462	2,440	400	100	55	300	700			270