RNS Number : 7771A

Obrascon Huarte Lain, S.A.

23 January 2020

London Stock Exchange

Madrid, January 23^rd 2020

Ref.: Notification of Significant Event: 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: 10/17/2019 - 01/16/2020.

	# of shares	Cash Balance	Average Price
Initial Balance	320,000	1,000,000
Previous Balance	523,630	177,197.92
Bought	6,622,404	-7,110,130.86	1.07
Sold	-6,675,785	7,172,084.75	1.07
Expenses		-9,904.60
Current Balance	470,249	229,247.21

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			523,630		177,197.92
17/10/2019	Bought	128,685	652,315	1.07	-138,079.01	57	0
17/10/2019	Sold	-129,878	522,437	1.07	139,475.98	49	0
18/10/2019	Bought	120,754	643,191	1.07	-128,977.35	54	0
18/10/2019	Sold	-120,754	522,437	1.07	128,989.42	39	0
21/10/2019	Bought	135,170	657,607	1.08	-145,524.02	51	0
21/10/2019	Sold	-135,170	522,437	1.08	145,537.54	44	0
22/10/2019	Bought	120,961	643,398	1.08	-130,758.84	34	0
22/10/2019	Sold	-120,961	522,437	1.09	131,448.32	47	0
23/10/2019	Bought	166,048	688,485	1.03	-171,760.05	67	0
23/10/2019	Sold	-146,969	541,516	1.03	151,848.37	64	0
24/10/2019	Bought	104,000	645,516	1.00	-104,395.20	46	0
24/10/2019	Sold	-94,000	551,516	1.01	94,488.80	33	0
25/10/2019	Bought	88,000	639,516	1.01	-88,739.20	46	0
25/10/2019	Sold	-98,000	541,516	1.01	98,597.80	51	0
28/10/2019	Bought	73,367	614,883	1.03	-75,267.21	40	0
28/10/2019	Sold	-73,367	541,516	1.03	75,281.88	68	0
29/10/2019	Bought	59,440	600,956	1.01	-60,052.23	28	0
29/10/2019	Sold	-59,440	541,516	1.01	59,986.85	24	0
30/10/2019	Bought	100,180	641,696	1.00	-99,769.26	41	0
30/10/2019	Sold	-100,180	541,516	1.00	99,789.30	53	0
31/10/2019	Bought	103,869	645,385	1.01	-105,001.17	47	0
31/10/2019	Sold	-103,869	541,516	1.01	105,001.17	39	0
01/11/2019	Bought	75,000	616,516	1.02	-76,357.50	57	0
01/11/2019	Sold	-75,000	541,516	1.02	76,350.00	39	0
04/11/2019	Bought	89,447	630,963	1.03	-92,371.92	50	0
04/11/2019	Sold	-91,947	539,016	1.03	94,926.08	69	0
05/11/2019	Bought	104,124	643,140	1.01	-104,852.87	42	0
05/11/2019	Sold	-100,610	542,530	1.01	101,253.90	39	0
06/11/2019	Bought	126,043	668,573	1.00	-126,068.21	43	0
06/11/2019	Sold	-121,043	547,530	1.00	121,067.21	45	0
07/11/2019	Bought	113,487	661,017	1.00	-113,770.72	46	0
07/11/2019	Sold	-122,001	539,016	1.00	122,367.00	44	0
08/11/2019	Bought	123,223	662,239	1.00	-123,629.64	43	0
08/11/2019	Sold	-114,709	547,530	1.00	115,064.60	36	0
11/11/2019	Bought	80,557	628,087	1.00	-80,178.38	34	0
11/11/2019	Sold	-89,071	539,016	1.00	88,696.90	32	0
12/11/2019	Bought	141,572	680,588	1.01	-143,030.19	53	0
12/11/2019	Sold	-131,596	548,992	1.01	132,938.28	51	0
13/11/2019	Bought	126,286	675,278	0.99	-125,237.83	50	0
13/11/2019	Sold	-140,754	534,524	0.99	139,670.19	47	0
14/11/2019	Bought	68,192	602,716	1.01	-68,785.27	27	0
14/11/2019	Sold	-68,192	534,524	1.01	68,771.63	32	0
15/11/2019	Bought	130,324	664,848	1.02	-132,565.57	42	0
15/11/2019	Sold	-130,324	534,524	1.02	132,617.70	44	0
18/11/2019	Bought	71,000	605,524	1.02	-72,157.30	33	0
18/11/2019	Sold	-71,000	534,524	1.02	72,114.70	34	0
19/11/2019	Bought	89,132	623,656	1.00	-89,488.53	37	0
19/11/2019	Sold	-89,132	534,524	1.00	89,372.66	27	0
20/11/2019	Bought	66,626	601,150	1.00	-66,712.61	31	0
20/11/2019	Sold	-62,626	538,524	1.00	62,644.79	23	0
21/11/2019	Bought	102,351	640,875	1.01	-103,712.27	33	0
21/11/2019	Sold	-106,351	534,524	1.01	107,797.37	40	0
22/11/2019	Bought	125,000	659,524	1.02	-127,350.00	38	0
22/11/2019	Sold	-135,000	524,524	1.02	137,767.50	46	0
25/11/2019	Bought	69,317	593,841	1.06	-73,427.50	35	0
25/11/2019	Sold	-69,317	524,524	1.06	73,406.70	31	0
26/11/2019	Bought	71,032	595,556	1.04	-74,107.69	27	0
26/11/2019	Sold	-71,032	524,524	1.04	74,107.69	27	0
27/11/2019	Bought	88,102	612,626	1.03	-90,912.45	42	0
27/11/2019	Sold	-101,102	511,524	1.03	104,306.93	41	0
28/11/2019	Bought	108,378	619,902	1.03	-111,325.88	38	0
28/11/2019	Sold	-95,378	524,524	1.03	98,010.43	34	0
29/11/2019	Bought	72,625	597,149	1.03	-74,462.41	27	0
29/11/2019	Sold	-72,625	524,524	1.03	74,476.94	32	0
02/12/2019	Bought	125,000	649,524	1.02	-126,912.50	45	0
02/12/2019	Sold	-118,000	531,524	1.02	119,805.40	49	0
03/12/2019	Bought	111,512	643,036	0.98	-109,147.95	49	0
03/12/2019	Sold	-95,166	547,870	0.98	92,948.63	84	0
04/12/2019	Bought	87,820	635,690	0.98	-86,125.07	38	0
04/12/2019	Sold	-87,820	547,870	0.98	86,168.98	46	0
05/12/2019	Bought	100,525	648,395	0.97	-97,730.41	50	0
05/12/2019	Sold	-105,000	543,395	0.97	102,039.00	41	0
06/12/2019	Bought	92,597	635,992	0.99	-91,337.68	35	0
06/12/2019	Sold	-105,000	530,992	0.99	103,719.00	33	0
09/12/2019	Bought	100,000	630,992	1.02	-101,740.00	45	0
09/12/2019	Sold	-105,000	525,992	1.02	106,848.00	37	0
10/12/2019	Bought	95,000	620,992	1.03	-97,736.00	35	0
10/12/2019	Sold	-100,000	520,992	1.03	102,860.00	48	0
11/12/2019	Bought	95,500	616,492	1.04	-99,129.00	39	0
11/12/2019	Sold	-107,500	508,992	1.04	111,595.75	41	0
12/12/2019	Bought	91,417	600,409	1.06	-96,801.46	48	0
12/12/2019	Sold	-91,417	508,992	1.06	96,828.89	40	0
13/12/2019	Bought	105,000	613,992	1.08	-113,736.00	28	0
13/12/2019	Sold	-97,000	516,992	1.08	105,070.40	31	0
16/12/2019	Bought	61,501	578,493	1.05	-64,453.05	37	0
16/12/2019	Sold	-61,501	516,992	1.05	64,459.20	30	0
17/12/2019	Bought	82,000	598,992	1.03	-84,230.40	32	0
17/12/2019	Sold	-62,597	536,395	1.03	64,243.30	23	0
18/12/2019	Bought	110,000	646,395	1.02	-112,112.00	41	0
18/12/2019	Sold	-110,000	536,395	1.02	112,310.00	46	0
19/12/2019	Bought	105,000	641,395	1.01	-106,008.00	50	0
19/12/2019	Sold	-102,000	539,395	1.01	102,816.00	39	0
20/12/2019	Bought	86,000	625,395	1.01	-86,645.00	57	0
20/12/2019	Sold	-86,000	539,395	1.01	86,533.20	43	0
23/12/2019	Bought	105,636	645,031	1.05	-110,938.93	41	0
23/12/2019	Sold	-129,994	515,037	1.05	136,714.69	67	0
24/12/2019	Bought	62,500	577,537	1.05	-65,806.25	27	0
24/12/2019	Sold	-62,500	515,037	1.05	65,743.75	23	0
27/12/2019	Bought	85,000	600,037	1.04	-88,816.50	55	0
27/12/2019	Sold	-85,000	515,037	1.04	88,757.00	51	0
30/12/2019	Bought	120,000	635,037	1.05	-125,616.00	64	0
30/12/2019	Sold	-120,000	515,037	1.05	125,616.00	63	0
31/12/2019	Bought	77,686	592,723	1.05	-81,585.84	36	0
31/12/2019	Sold	-77,686	515,037	1.05	81,562.53	28	0
02/01/2020	Bought	120,000	635,037	1.11	-133,116.00	32	0
02/01/2020	Sold	-120,000	515,037	1.11	133,152.00	46	0
03/01/2020	Bought	114,200	629,237	1.09	-124,009.78	44	0
03/01/2020	Sold	-114,200	515,037	1.09	124,066.88	48	0
06/01/2020	Bought	46,850	561,887	1.07	-50,143.56	21	0
06/01/2020	Sold	-36,850	525,037	1.07	39,407.39	13	0
07/01/2020	Bought	75,656	600,693	1.06	-80,255.88	38	0
07/01/2020	Sold	-77,570	523,123	1.06	82,255.23	64	0
08/01/2020	Bought	130,000	653,123	1.07	-139,204.00	46	0
08/01/2020	Sold	-148,086	505,037	1.08	159,251.68	49	0
09/01/2020	Bought	125,579	630,616	1.17	-146,387.44	45	0
09/01/2020	Sold	-153,500	477,116	1.16	178,090.70	69	0
10/01/2020	Bought	150,000	627,116	1.20	-179,400.00	65	0
10/01/2020	Sold	-150,000	477,116	1.20	179,340.00	102	0
13/01/2020	Bought	160,000	637,116	1.28	-204,624.00	76	0
13/01/2020	Sold	-160,000	477,116	1.28	204,528.00	106	0
14/01/2020	Bought	175,000	652,116	1.32	-231,682.50	86	0
14/01/2020	Sold	-175,000	477,116	1.32	231,682.50	120	0
15/01/2020	Bought	183,576	660,692	1.37	-251,866.27	93	0
15/01/2020	Sold	-190,000	470,692	1.37	260,756.00	138	0
16/01/2020	Bought	199,557	670,249	1.52	-304,005.13	108	0
16/01/2020	Sold	-200,000	470,249	1.52	304,740.00	144	0

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