RNS Number : 2077N

Obrascon Huarte Lain, S.A.

28 January 2021

OBRASCÓN HUARTE LAIN, S.A. ("OHL" or the "Company"), pursuant to article 228 of the consolidated text of the Spanish Securities Market Act approved by Royal Legislative Decree 4/2015, of 23 October, hereby notifies the Spanish National Securities Market Commission (Comisión Nacional del Mercado de Valores) ("CNMV") the following

OTHER RELEVANT INFORMATION

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: 10/19/2020 - 01/19/2021.

	# of shares	Cash Balance	Average Price
Initial Balance	320.000	1.000.000,00
Previous Balance	592.037	72.784,57
Bought	4.552.361	-3.167.928,20	0,70
Sold	-4.545.031	3.159.608,61	0,70
Expenses		-7.690,81
Current Balance	599.367	56.774,17

The details of these transactions are the following:

Madrid, January 28^th 2021.

Date	Bought/Sold	#  of shares	Total accumulated	Average price	Cash Balance	# of Trades	Block Trades
Saldo Inicial			592.037		72.784,57
19-10-20	Bought	63.302	655.339	0,60	-37.765,97	61	0
19-10-20	Sold	-63.302	592.037	0,60	37.784,96	39	0
20-10-20	Bought	43.865	635.902	0,60	-26.472,53	25	0
20-10-20	Sold	-44.566	591.336	0,60	26.891,12	31	0
21-10-20	Bought	57.500	648.836	0,60	-34.695,50	38	0
21-10-20	Sold	-57.500	591.336	0,60	34.695,50	43	0
22-10-20	Bought	38.628	629.964	0,60	-23.319,72	32	0
22-10-20	Sold	-49.428	580.536	0,60	29.889,11	50	0
23-10-20	Bought	62.000	642.536	0,64	-39.965,20	27	0
23-10-20	Sold	-53.000	589.536	0,64	34.063,10	40	0
26-10-20	Bought	47.407	636.943	0,61	-29.079,45	35	0
26-10-20	Sold	-42.833	594.110	0,61	26.278,05	31	0
27-10-20	Bought	35.769	629.879	0,61	-21.822,67	33	0
27-10-20	Sold	-35.769	594.110	0,61	21.811,94	29	0
28-10-20	Bought	50.965	645.075	0,59	-29.860,39	51	0
28-10-20	Sold	-50.965	594.110	0,58	29.758,46	30	0
29-10-20	Bought	35.941	630.051	0,58	-20.799,06	47	0
29-10-20	Sold	-35.941	594.110	0,58	20.817,03	32	0
30-10-20	Bought	34.162	628.272	0,58	-19.878,87	39	0
30-10-20	Sold	-28.640	599.632	0,58	16.691,39	28	0
02-11-20	Bought	42.817	642.449	0,59	-25.090,76	37	0
02-11-20	Sold	-46.539	595.910	0,59	27.257,89	38	0
03-11-20	Bought	56.000	651.910	0,59	-32.883,20	23	0
03-11-20	Sold	-56.000	595.910	0,59	32.894,40	37	0
04-11-20	Bought	57.000	652.910	0,58	-33.122,70	27	0
04-11-20	Sold	-57.000	595.910	0,58	33.139,80	64	0
05-11-20	Bought	57.000	652.910	0,58	-33.105,60	61	0
05-11-20	Sold	-57.000	595.910	0,58	33.105,60	34	0
06-11-20	Bought	51.000	646.910	0,61	-31.268,10	20	0
06-11-20	Sold	-64.374	582.536	0,61	39.435,51	34	0
09-11-20	Bought	63.000	645.536	0,68	-42.921,90	27	0
09-11-20	Sold	-63.000	582.536	0,68	42.795,90	28	0
10-11-20	Bought	72.000	654.536	0,73	-52.516,80	31	0
10-11-20	Sold	-72.000	582.536	0,73	52.790,40	31	0
11-11-20	Bought	82.000	664.536	0,74	-60.401,20	34	0
11-11-20	Sold	-82.000	582.536	0,74	60.450,40	32	0
12-11-20	Bought	78.875	661.411	0,74	-58.698,78	40	0
12-11-20	Sold	-91.125	570.286	0,74	67.851,68	48	0
13-11-20	Bought	95.000	665.286	0,74	-69.929,50	60	0
13-11-20	Sold	-95.000	570.286	0,74	69.948,50	48	0
16-11-20	Bought	98.300	668.586	0,71	-70.166,54	64	0
16-11-20	Sold	-88.738	579.848	0,72	63.447,67	58	0
17-11-20	Bought	91.630	671.478	0,70	-64.489,19	49	0
17-11-20	Sold	-101.192	570.286	0,70	71.269,53	62	0
18-11-20	Bought	101.398	671.684	0,75	-75.653,05	43	0
18-11-20	Sold	-98.398	573.286	0,75	73.345,87	66	0
19-11-20	Bought	74.700	647.986	0,76	-56.884,05	36	0
19-11-20	Sold	-65.200	582.786	0,76	49.506,36	32	0
20-11-20	Bought	57.390	640.176	0,76	-43.340,93	33	0
20-11-20	Sold	-57.390	582.786	0,75	43.272,06	42	0
23-11-20	Bought	92.000	674.786	0,78	-71.815,20	29	0
23-11-20	Sold	-112.000	562.786	0,78	87.158,40	41	0
24-11-20	Bought	126.000	688.786	0,81	-101.568,60	57	0
24-11-20	Sold	-126.000	562.786	0,81	101.619,00	86	0
25-11-20	Bought	133.800	696.586	0,82	-109.194,18	54	0
25-11-20	Sold	-133.800	562.786	0,82	109.220,94	67	0
26-11-20	Bought	95.499	658.285	0,80	-76.198,65	42	0
26-11-20	Sold	-88.399	569.886	0,80	70.515,88	44	0
27-11-20	Bought	95.162	665.048	0,77	-73.065,38	49	0
27-11-20	Sold	-95.162	569.886	0,77	73.065,38	71	0
30-11-20	Bought	49.171	619.057	0,74	-36.416,04	27	0
30-11-20	Sold	-38.034	581.023	0,74	27.977,81	34	0
01-12-20	Bought	85.444	666.467	0,74	-62.861,15	56	0
01-12-20	Sold	-82.444	584.023	0,74	60.604,58	41	0
02-12-20	Bought	76.546	660.569	0,71	-54.378,28	53	0
02-12-20	Sold	-76.546	584.023	0,71	54.378,28	44	0
03-12-20	Bought	49.459	633.482	0,73	-35.922,07	27	0
03-12-20	Sold	-49.459	584.023	0,73	35.897,34	23	0
04-12-20	Bought	60.343	644.366	0,74	-44.527,10	30	0
04-12-20	Sold	-73.343	571.023	0,74	54.171,14	38	0
07-12-20	Bought	58.487	629.510	0,76	-44.210,32	30	0
07-12-20	Sold	-49.487	580.023	0,75	37.352,79	33	0
08-12-20	Bought	45.362	625.385	0,72	-32.828,48	33	0
08-12-20	Sold	-47.439	577.946	0,72	34.222,49	23	0
09-12-20	Bought	64.358	642.304	0,73	-47.219,46	32	0
09-12-20	Sold	-51.437	590.867	0,73	37.759,90	29	0
10-12-20	Bought	61.017	651.884	0,72	-43.645,46	32	0
10-12-20	Sold	-61.017	590.867	0,72	43.651,56	27	0
11-12-20	Bought	78.326	669.193	0,70	-54.593,22	40	0
11-12-20	Sold	-78.326	590.867	0,70	54.530,56	43	0
14-12-20	Bought	81.048	671.915	0,69	-56.117,64	37	0
14-12-20	Sold	-81.048	590.867	0,69	56.101,43	37	0
15-12-20	Bought	55.225	646.092	0,70	-38.558,10	35	0
15-12-20	Sold	-55.225	590.867	0,70	38.497,35	36	0
16-12-20	Bought	51.019	641.886	0,71	-35.993,90	34	0
16-12-20	Sold	-41.019	600.867	0,71	28.934,80	31	0
17-12-20	Bought	70.000	670.867	0,70	-48.804,00	43	0
17-12-20	Sold	-70.000	600.867	0,70	48.783,00	35	0
18-12-20	Bought	58.500	659.367	0,70	-40.862,25	30	0
18-12-20	Sold	-58.500	600.867	0,70	40.792,05	32	0
21-12-20	Bought	67.726	668.593	0,65	-43.994,81	42	0
21-12-20	Sold	-67.726	600.867	0,65	43.947,40	44	0
22-12-20	Bought	43.706	644.573	0,66	-28.872,18	28	0
22-12-20	Sold	-46.206	598.367	0,66	30.509,82	27	0
23-12-20	Bought	41.181	639.548	0,66	-27.220,64	29	0
23-12-20	Sold	-38.681	600.867	0,66	25.533,33	24	0
24-12-20	Bought	37.500	638.367	0,67	-24.937,50	21	0
24-12-20	Sold	-37.500	600.867	0,66	24.881,25	18	0
28-12-20	Bought	70.000	670.867	0,66	-45.906,00	53	0
28-12-20	Sold	-70.000	600.867	0,65	45.829,00	32	0
29-12-20	Bought	110.000	710.867	0,64	-70.037,00	64	0
29-12-20	Sold	-110.000	600.867	0,64	69.894,00	41	0
30-12-20	Bought	86.500	687.367	0,64	-55.247,55	60	0
30-12-20	Sold	-86.500	600.867	0,64	55.161,05	33	0
31-12-20	Bought	82.500	683.367	0,62	-51.282,00	50	0
31-12-20	Sold	-82.500	600.867	0,62	51.265,50	35	0
04-01-21	Bought	85.948	686.815	0,64	-55.049,69	43	0
04-01-21	Sold	-71.448	615.367	0,64	45.762,44	40	0
05-01-21	Bought	78.636	694.003	0,63	-49.768,72	37	0
05-01-21	Sold	-78.636	615.367	0,63	49.784,45	30	0
06-01-21	Bought	88.500	703.867	0,65	-57.693,15	33	0
06-01-21	Sold	-103.000	600.867	0,65	67.042,70	34	0
07-01-21	Bought	98.000	698.867	0,67	-66.110,80	38	0
07-01-21	Sold	-98.000	600.867	0,67	66.140,20	35	0
08-01-21	Bought	100.000	700.867	0,70	-70.030,00	35	0
08-01-21	Sold	-94.000	606.867	0,70	65.847,00	31	0
11-01-21	Bought	45.000	651.867	0,68	-30.591,00	23	0
11-01-21	Sold	-45.000	606.867	0,68	30.564,00	28	0
12-01-21	Bought	83.700	690.567	0,71	-59.770,17	32	0
12-01-21	Sold	-107.700	582.867	0,71	76.811,64	49	0
13-01-21	Bought	81.928	664.795	0,71	-58.562,13	34	0
13-01-21	Sold	-71.928	592.867	0,71	51.255,89	31	0
14-01-21	Bought	51.263	644.130	0,73	-37.437,37	19	0
14-01-21	Sold	-49.763	594.367	0,73	36.287,18	18	0
15-01-21	Bought	105.500	699.867	0,74	-78.407,60	40	0
15-01-21	Sold	-100.500	599.367	0,74	74.751,90	42	0
18-01-21	Bought	96.775	696.142	0,72	-69.571,55	49	0
18-01-21	Sold	-96.775	599.367	0,72	69.474,77	49	0
19-01-21	Bought	63.583	662.950	0,70	-44.527,17	45	0
19-01-21	Sold	-63.583	599.367	0,70	44.438,16	39	0

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