RNS Number : 9768C

Obrascon Huarte Lain, S.A.

22 October 2020

London Stock Exchange

Madrid, October 22^nd 2020

Ref.: Other Relevant Information: Liquidity Agreement

Dear Sirs,

The company, OBRASCON HUARTE LAIN, S.A. (OHL), in compliance with current legislation, hereby reports the following:

SIGNIFICANT EVENT

In relation to the significant event published on July 10^th, 2017 (reg. number 254407) concerning the notification of the new liquidity contract subscribed with Santander Investment Bolsa, Sociedad de Valores, S.A. and in accordance to the previsions contained in rule fourth paragraph 2b) of Circular 1/2017, the Company attaches the detail for the period: 07/17/2019 - 10/16/2020.

	# of shares	Cash Balance	Average Price
Initial Balance	320.000	1.000.000
Previous Balance	588.786	79.679,49
Bought	3.337.948	-2.014.786,09	0,60
Sold	-3.334.697	2.013.570,22	0,60
Expenses		-5.679,05
Current Balance	592.037	72.784,57

The details of these transactions are the following:

Yours faithfully,

José María del Cuvillo Pemán

Secretary of the Board of Director

Date	Bought/Sold	#  of shares	Total accumulated	Average price	Cash Balance	# of Trades	Block Trades
Initial Balance			588.786		79.679,49
17-07-20	Bought	54.407	643.193	0,68	-37.083,81	27	0
17-07-20	Sold	-46.407	596.786	0,68	31.603,17	20	0
20-07-20	Bought	40.245	637.031	0,67	-26.819,27	35	0
20-07-20	Sold	-42.800	594.231	0,67	28.539,04	28	0
21-07-20	Bought	48.105	642.336	0,67	-32.268,83	25	0
21-07-20	Sold	-42.800	599.536	0,67	28.735,92	21	0
22-07-20	Bought	20.054	619.590	0,63	-12.658,08	15	0
22-07-20	Sold	-20.054	599.536	0,63	12.658,08	15	0
23-07-20	Bought	59.482	659.018	0,64	-38.252,87	41	0
23-07-20	Sold	-62.482	596.536	0,64	40.188,42	44	0
24-07-20	Bought	50.668	647.204	0,63	-31.773,90	41	0
24-07-20	Sold	-47.668	599.536	0,63	29.792,50	34	0
27-07-20	Bought	44.349	643.885	0,60	-26.733,58	28	0
27-07-20	Sold	-44.349	599.536	0,60	26.738,01	27	0
28-07-20	Bought	30.500	630.036	0,61	-18.556,20	26	0
28-07-20	Sold	-30.500	599.536	0,61	18.565,35	20	0
29-07-20	Bought	42.000	641.536	0,60	-25.347,00	26	0
29-07-20	Sold	-42.000	599.536	0,60	25.300,80	21	0
30-07-20	Bought	60.000	659.536	0,60	-35.784,00	31	0
30-07-20	Sold	-60.000	599.536	0,60	35.796,00	27	0
31-07-20	Bought	70.000	669.536	0,57	-40.096,00	30	0
31-07-20	Sold	-70.000	599.536	0,57	39.998,00	19	0
03-08-20	Bought	57.659	657.195	0,59	-33.799,71	29	0
03-08-20	Sold	-57.659	599.536	0,58	33.684,39	30	0
04-08-20	Bought	69.000	668.536	0,63	-43.601,10	40	0
04-08-20	Sold	-69.000	599.536	0,63	43.601,10	40	0
05-08-20	Bought	74.000	673.536	0,59	-43.785,80	44	0
05-08-20	Sold	-66.000	607.536	0,59	39.025,80	38	0
06-08-20	Bought	74.000	681.536	0,56	-41.417,80	43	0
06-08-20	Sold	-74.000	607.536	0,56	41.417,80	46	0
07-08-20	Bought	32.000	639.536	0,57	-18.163,20	24	0
07-08-20	Sold	-32.000	607.536	0,57	18.169,60	24	0
10-08-20	Bought	48.195	655.731	0,59	-28.266,37	34	0
10-08-20	Sold	-48.195	607.536	0,59	28.266,37	32	0
11-08-20	Bought	50.998	658.534	0,59	-30.165,32	26	0
11-08-20	Sold	-50.998	607.536	0,59	30.165,32	28	0
12-08-20	Bought	37.014	644.550	0,58	-21.579,16	26	0
12-08-20	Sold	-37.014	607.536	0,58	21.571,76	24	0
13-08-20	Bought	50.000	657.536	0,59	-29.400,00	25	0
13-08-20	Sold	-46.280	611.256	0,59	27.235,78	25	0
14-08-20	Bought	25.782	637.038	0,57	-14.814,34	22	0
14-08-20	Sold	-23.782	613.256	0,57	13.667,52	21	0
17-08-20	Bought	24.484	637.740	0,57	-14.007,30	18	0
17-08-20	Sold	-24.484	613.256	0,57	13.997,50	22	0
18-08-20	Bought	39.829	653.085	0,59	-23.670,37	23	0
18-08-20	Sold	-53.549	599.536	0,59	31.663,52	26	0
19-08-20	Bought	52.700	652.236	0,60	-31.704,32	28	0
19-08-20	Sold	-52.700	599.536	0,60	31.720,13	35	0
20-08-20	Bought	30.137	629.673	0,59	-17.895,35	24	0
20-08-20	Sold	-18.137	611.536	0,59	10.724,41	22	0
21-08-20	Bought	30.066	641.602	0,58	-17.411,22	26	0
21-08-20	Sold	-28.215	613.387	0,58	16.328,02	25	0
24-08-20	Bought	27.151	640.538	0,58	-15.725,86	22	0
24-08-20	Sold	-29.002	611.536	0,58	16.797,96	18	0
25-08-20	Bought	51.842	663.378	0,59	-30.685,28	27	0
25-08-20	Sold	-56.242	607.136	0,59	33.284,02	33	0
26-08-20	Bought	19.691	626.827	0,60	-11.737,81	23	0
26-08-20	Sold	-21.691	605.136	0,60	12.912,65	98	0
27-08-20	Bought	24.499	629.635	0,59	-14.481,36	17	0
27-08-20	Sold	-20.406	609.229	0,59	12.059,95	21	0
28-08-20	Bought	38.067	647.296	0,61	-23.053,38	25	0
28-08-20	Sold	-37.760	609.536	0,61	22.871,23	42	0
31-08-20	Bought	44.000	653.536	0,62	-27.447,20	23	0
31-08-20	Sold	-54.000	599.536	0,62	33.652,80	37	0
01-09-20	Bought	45.500	645.036	0,65	-29.570,45	28	0
01-09-20	Sold	-54.500	590.536	0,65	35.495,85	33	0
02-09-20	Bought	47.500	638.036	0,75	-35.639,25	15	0
02-09-20	Sold	-58.500	579.536	0,75	44.038,80	19	0
03-09-20	Bought	63.000	642.536	0,70	-43.929,90	36	0
03-09-20	Sold	-63.000	579.536	0,69	43.703,10	25	0
04-09-20	Bought	63.000	642.536	0,70	-44.043,30	41	0
04-09-20	Sold	-63.000	579.536	0,70	44.118,90	43	0
07-09-20	Bought	68.000	647.536	0,63	-43.098,40	32	0
07-09-20	Sold	-68.000	579.536	0,63	43.132,40	34	0
08-09-20	Bought	75.500	655.036	0,62	-46.666,55	64	0
08-09-20	Sold	-62.500	592.536	0,62	38.768,75	26	0
09-09-20	Bought	42.000	634.536	0,61	-25.586,40	19	0
09-09-20	Sold	-55.000	579.536	0,61	33.385,00	28	0
10-09-20	Bought	68.000	647.536	0,60	-41.024,40	32	0
10-09-20	Sold	-68.000	579.536	0,60	41.010,80	36	0
11-09-20	Bought	59.500	639.036	0,60	-35.884,45	43	0
11-09-20	Sold	-50.000	589.036	0,60	30.045,00	22	0
14-09-20	Bought	43.000	632.036	0,60	-25.735,50	18	0
14-09-20	Sold	-43.000	589.036	0,60	25.679,60	18	0
15-09-20	Bought	64.750	653.786	0,61	-39.607,58	20	0
15-09-20	Sold	-74.250	579.536	0,61	45.470,70	28	0
16-09-20	Bought	69.500	649.036	0,61	-42.443,65	25	0
16-09-20	Sold	-59.500	589.536	0,61	36.205,75	31	0
17-09-20	Bought	52.000	641.536	0,61	-31.460,00	21	0
17-09-20	Sold	-52.000	589.536	0,60	31.335,20	19	0
18-09-20	Bought	66.400	655.936	0,60	-39.600,96	24	0
18-09-20	Sold	-66.400	589.536	0,60	39.567,76	43	0
21-09-20	Bought	62.000	651.536	0,57	-35.222,20	33	0
21-09-20	Sold	-62.000	589.536	0,57	35.191,20	30	0
22-09-20	Bought	52.000	641.536	0,57	-29.572,40	33	0
22-09-20	Sold	-52.000	589.536	0,57	29.562,00	30	0
23-09-20	Bought	47.500	637.036	0,58	-27.564,25	27	0
23-09-20	Sold	-47.500	589.536	0,58	27.583,25	18	0
24-09-20	Bought	43.000	632.536	0,57	-24.630,40	23	0
24-09-20	Sold	-43.000	589.536	0,57	24.578,80	60	0
25-09-20	Bought	47.500	637.036	0,57	-26.856,50	36	0
25-09-20	Sold	-47.500	589.536	0,56	26.823,25	31	0
28-09-20	Bought	58.459	647.995	0,57	-33.532,08	39	0
28-09-20	Sold	-58.459	589.536	0,57	33.561,31	35	0
29-09-20	Bought	50.500	640.036	0,57	-28.896,10	49	0
29-09-20	Sold	-40.863	599.173	0,57	23.324,60	68	0
30-09-20	Bought	66.870	666.043	0,56	-37.326,83	36	0
30-09-20	Sold	-66.870	599.173	0,56	37.320,15	37	0
01-10-20	Bought	44.185	643.358	0,56	-24.845,23	29	0
01-10-20	Sold	-41.185	602.173	0,56	23.158,33	28	0
02-10-20	Bought	44.098	646.271	0,55	-24.192,16	43	0
02-10-20	Sold	-47.098	599.173	0,55	25.837,96	30	0
05-10-20	Bought	44.922	644.095	0,57	-25.394,41	27	0
05-10-20	Sold	-44.922	599.173	0,57	25.407,88	77	0
06-10-20	Bought	69.500	668.673	0,58	-40.275,25	29	0
06-10-20	Sold	-69.500	599.173	0,58	40.296,10	56	0
07-10-20	Bought	43.319	642.492	0,58	-25.185,67	38	0
07-10-20	Sold	-48.124	594.368	0,58	27.969,67	25	0
08-10-20	Bought	52.047	646.415	0,58	-30.411,06	36	0
08-10-20	Sold	-46.242	600.173	0,58	27.033,07	89	0
09-10-20	Bought	59.863	660.036	0,60	-35.636,44	45	0
09-10-20	Sold	-79.500	580.536	0,60	47.517,15	86	0
12-10-20	Bought	71.500	652.036	0,61	-43.922,45	42	0
12-10-20	Sold	-62.999	589.037	0,62	38.744,39	42	0
13-10-20	Bought	65.829	654.866	0,61	-40.004,28	45	0
13-10-20	Sold	-65.829	589.037	0,61	39.885,79	47	0
14-10-20	Bought	70.000	659.037	0,59	-41.461,00	52	0
14-10-20	Sold	-70.000	589.037	0,59	41.461,00	41	0
15-10-20	Bought	66.000	655.037	0,60	-39.296,40	40	0
15-10-20	Sold	-66.000	589.037	0,60	39.322,80	44	0
16-10-20	Bought	30.282	619.319	0,60	-18.084,41	25	0
16-10-20	Sold	-27.282	592.037	0,60	16.301,00	17	0

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