Rule 8.1- Banco Santander, S.

Companies

Banco Santander S.A. (BNC)

UK 100

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				SUPPLEMENTAL FORM 8

DETAILS OF OPEN POSITIONS
(This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate)





OPEN POSITIONS (Note 1)

Product name,	Written	Number of securities	Exercise price	Type, e.g.	Expiry date
e.g. call option	or purchased	to which the option	(Note 2)	American,
		or derivative relates
PUT	WRITTEN	308.900	11,00	AMERICAN	19/12/2008
PUT	WRITTEN	500.000	12,00	AMERICAN	19/12/2008
PUT	WRITTEN	1.000.000	13,00	AMERICAN	17/12/2010
PUT	WRITTEN	16.000.000	10,00	AMERICAN	19/06/2009
PUT	PURCHASED	4.000.000	10,50	AMERICAN	19/06/2009
PUT	PURCHASED	2.000.000	10,00	AMERICAN	19/12/2008
PUT	PURCHASED	100.000	10,50	AMERICAN	19/09/2008
PUT	PURCHASED	100.000	11,00	AMERICAN	19/09/2008
PUT	PURCHASED	25.000	13,00	AMERICAN	19/09/2008
PUT	PURCHASED	25.000	14,00	AMERICAN	19/09/2008
PUT	PURCHASED	25.000	13,50	AMERICAN	19/09/2008
CALL	WRITTEN	200.000	14,00	AMERICAN	19/09/2008
CALL	WRITTEN	250.000	12,00	AMERICAN	19/12/2008
CALL	WRITTEN	250.000	12,00	AMERICAN	17/12/2008
CALL	WRITTEN	500.000	11,00	AMERICAN	19/12/2008
CALL	WRITTEN	704.500	18,00	AMERICAN	19/12/2008
CALL	WRITTEN	1.000.000	13,00	AMERICAN	17/12/2010
CALL	PURCHASED	54.000	15,00	AMERICAN	19/12/2008
CALL	PURCHASED	11.900	12,50	AMERICAN	19/12/2008
PUT	PURCHASED	8.261.049	10,29	EUROPEAN	24/04/2009
PUT	PURCHASED	8.261.049	10,29	EUROPEAN	24/04/2009
PUT	PURCHASED	394.518	12,04	EUROPEAN	05/04/2011
PUT	PURCHASED	2.000.000	10,32	EUROPEAN	18/05/2009
PUT	PURCHASED	1.127.013	11,18	EUROPEAN	26/05/2011
CALL	WRITTEN	835.000	14,31	EUROPEAN	16/03/2009
CALL	WRITTEN	842.389	11,87	EUROPEAN	26/04/2011
CALL	PURCHASED	842.389	11,87	EUROPEAN	26/04/2011
PUT	PURCHASED	1.000.000	15,00	EUROPEAN	18/12/2009
CALL	WRITTEN	1.000.000	15,00	EUROPEAN	18/12/2009
PUT	PURCHASED	1.000.000	15,00	EUROPEAN	18/12/2009
CALL	WRITTEN	1.000.000	15,00	EUROPEAN	18/12/2009
CALL	WRITTEN	435.047	12,77	EUROPEAN	19/12/2008
PUT	PURCHASED	109.329	13,72	EUROPEAN	10/11/2010
CALL	WRITTEN	300.000	19,46	EUROPEAN	17/10/2011
PUT	PURCHASED	79.365	14,49	EUROPEAN	23/11/2010
CALL	WRITTEN	200.000	18,25	EUROPEAN	01/09/2012
CALL	PURCHASED	110.000	16,05	EUROPEAN	18/01/2010
PUT	WRITTEN	110.000	11,56	EUROPEAN	18/01/2010
PUT	PURCHASED	110.000	10,40	EUROPEAN	18/01/2010
CALL	WRITTEN	100.000	15,95	EUROPEAN	23/01/2012
PUT	PURCHASED	104.322	13,42	EUROPEAN	22/04/2009
CALL	PURCHASED	666.667	14,50	EUROPEAN	19/12/2008
CALL	PURCHASED	1.000.000	15,00	EUROPEAN	19/12/2008
CALL	PURCHASED	100.000	16,00	EUROPEAN	20/03/2009
PUT	PURCHASED	25.000	14,00	AMERICAN	19/09/2008
PUT	PURCHASED	25.000	13,50	AMERICAN	19/09/2008
PUT	PURCHASED	25.000	13,00	AMERICAN	19/09/2008
PUT	PURCHASED	10.000	12,50	AMERICAN	19/12/2008
PUT	PURCHASED	425.000	11,50	AMERICAN	19/12/2008
PUT	PURCHASED	111.400	11,00	AMERICAN	19/12/2008
PUT	PURCHASED	100.000	11,00	AMERICAN	19/09/2008
PUT	PURCHASED	425.000	10,50	AMERICAN	19/12/2008
PUT	PURCHASED	100.000	10,50	AMERICAN	19/09/2008
CALL	PURCHASED	11.100	16,00	AMERICAN	19/12/2008
CALL	PURCHASED	75.000	15,00	AMERICAN	19/12/2008
CALL	PURCHASED	11.100	15,00	AMERICAN	19/09/2008
CALL	PURCHASED	83.200	15,00	AMERICAN	19/09/2008
CALL	PURCHASED	425.000	13,00	AMERICAN	19/12/2008
CALL	PURCHASED	83.200	12,50	AMERICAN	19/09/2008
CALL	PURCHASED	554.500	18,00	AMERICAN	19/12/2008
CALL	PURCHASED	150.000	18,00	AMERICAN	19/12/2008
PUT	WRITTEN	1.000.000	12,00	AMERICAN	18/12/2009
PUT	WRITTEN	500.000	11,00	AMERICAN	18/12/2009
PUT	WRITTEN	500.000	10,50	AMERICAN	19/06/2009
PUT	WRITTEN	15.000	9,75	AMERICAN	18/12/2009
PUT	WRITTEN	15.000	9,50	AMERICAN	18/12/2009
PUT	WRITTEN	15.000	9,25	AMERICAN	18/12/2009
PUT	WRITTEN	15.000	9,00	AMERICAN	18/12/2009
PUT	WRITTEN	15.000	8,75	AMERICAN	18/12/2009
PUT	WRITTEN	25.000	13,00	AMERICAN	19/09/2008
PUT	WRITTEN	2.000.000	11,50	AMERICAN	19/09/2008
PUT	WRITTEN	1.500.000	10,00	AMERICAN	19/12/2008
PUT	WRITTEN	500.000	9,50	AMERICAN	19/12/2008
PUT	PURCHASED	1.500.000	13,50	AMERICAN	18/12/2009
PUT	PURCHASED	3.000	10,50	AMERICAN	18/09/2009
PUT	PURCHASED	90.000	12,50	AMERICAN	19/12/2008
PUT	PURCHASED	1.000.000	12,00	AMERICAN	19/12/2008
PUT	PURCHASED	80.000	11,50	AMERICAN	19/12/2008
PUT	PURCHASED	500.000	11,00	AMERICAN	19/12/2008
PUT	PURCHASED	100.000	17,00	AMERICAN	15/06/2012
PUT	PURCHASED	100.000	11,50	AMERICAN	15/06/2012
CALL	WRITTEN	500.000	13,50	AMERICAN	18/12/2009
CALL	WRITTEN	15.000	10,50	AMERICAN	18/12/2009
CALL	WRITTEN	15.000	10,00	AMERICAN	18/12/2009
CALL	WRITTEN	15.000	9,75	AMERICAN	18/12/2009
CALL	WRITTEN	15.000	9,50	AMERICAN	18/12/2009
CALL	WRITTEN	15.000	9,25	AMERICAN	18/12/2009
CALL	WRITTEN	10.000	14,00	AMERICAN	19/12/2008
CALL	WRITTEN	250.000	13,00	AMERICAN	19/12/2008
CALL	WRITTEN	280.000	13,00	AMERICAN	19/09/2008
CALL	WRITTEN	1.100	15,00	AMERICAN	16/12/2011
CALL	WRITTEN	500	14,50	AMERICAN	17/12/2010
CALL	PURCHASED	30.000	13,50	AMERICAN	20/03/2009
CALL	PURCHASED	10.000	17,50	AMERICAN	19/12/2008
CALL	PURCHASED	500.000	11,00	AMERICAN	19/12/2008
CALL	PURCHASED	100.000	17,00	AMERICAN	15/06/2012
CALL	PURCHASED	100.000	11,50	AMERICAN	15/06/2012




Notes

1. Where there are open option positions or open derivative positions (except for CFDs), full details should be given.
Full details of any existing agreements to purchase or to sell should also be given on this form.

2. For all prices and other monetary amounts, the currency must be stated.


For details of the Code's dealing disclosure requirements, see Rule 8 and its Notes which can be viewed on the Takeover Panel's
website at www.thetakeoverpanel.org.uk

DEALINGS BY OFFERORS, OFFEREE COMPANIES OR THEIR ASSOCIATES							FORM 8.1
FOR THEMSELVES OR FOR DISCRETIONARY CLIENTS
(Rules 8.1(a) and (b)(i) of the Takeover Code)

The Panel Executive has consented to Santander borrowing and lending relevant securities in Santander pursuant to Rule 4.6 of the Code


1.- KEY INFORMATION

Name of person dealing (Note1 )			Grupo Santander
Company dealt in			Banco Santander S.A.
Class of relevant security to which the dealings
being disclosed relate (Note 2)			COMMON SHARES
Date of dealing			17/07/2008


2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a) Interest and short positions (following dealing) in the class of class of relevent security in (Note 3)

			Long		Short
			Number	(%)	Number		(%)
(1) Relevant securities			32.955.899	0,53			0.00
(2) Derivatives (other than options)			174.352.630	2,79		862.194	0,01
(3) Options and agreements to purchas/shell			28.936.956	0,46		42.074.581	0,67
Total(*)			236.245.485	3,78		42.936.775	0,69

(*) Included within the total of 236,245,485 shares in which Santander is interested (as defined in the Code) are 6,160,798 shares which have been lent by Santander.
Not included in this total are a further 8,733,069 shares which Santander has borrowed.



(b) Interest and short positions in relevant securities of the company, other than the class dealt in
(Note 3)

Class of relevant security			Long		Short
			Number	(%)	Number	(%)
(1) Relevant securities
(2) Derivatives (other than options)
(3) Options and agreements to purchase/sell
Total

(c) Rights to subscribe (Note 3)

Class of relevant securrity			Details



3. DEALINGS (Note 4)

(a) Purchases and sales

Purchase/sale		Number of securities		Price per unit (Note 5)			Currency
PURCHASE			10.000			11,3	EUR
PURCHASE			22.188			11,28	EUR
PURCHASE			1.000			11,3	EUR
SALE			2.700			11,46	EUR
SALE			1.800			11,43	EUR
SALE			15.796			11,39	EUR
SALE			9.154			11,39	EUR
SALE			200			11,41	EUR
SALE			2.000			11,48	EUR
SALE			7.320			11,5	EUR
SALE			5.000			11,5	EUR
SALE			4.515			11,5	EUR
SALE			500			11,5	EUR
SALE			7.665			11,5	EUR
SALE			1.793			11,49	EUR
SALE			301			11,47	EUR
SALE			4.699			11,47	EUR
SALE			10.000			11,47	EUR
SALE			387			11,47	EUR
SALE			465			11,47	EUR
SALE			3.586			11,44	EUR
SALE			3.621			11,44	EUR
SALE			6.379			11,44	EUR
SALE			799			11,39	EUR
SALE			8.880			11,38	EUR
SALE			100			11,35	EUR
SALE			5.017			11,29	EUR
SALE			4.488			11,29	EUR
SALE			4			11,29	EUR
SALE			1.152			11,29	EUR
SALE			500			11,29	EUR
SALE			13.339			11,29	EUR
SALE			500			11,29	EUR
SALE			2.664			11,34	EUR
SALE			72			11,3	EUR
SALE			2.180			11,34	EUR
SALE			22.770			11,34	EUR
SALE			1.753			11,33	EUR
SALE			1.000			11,33	EUR
SALE			1.911			11,32	EUR
SALE			2.086			11,32	EUR
SALE			1.331			11,32	EUR
SALE			1.160			11,28	EUR
SALE			10.000			11,28	EUR
SALE			20.000			11,28	EUR
SALE			4.000			11,28	EUR
SALE			4.400			11,28	EUR
SALE			10.000			11,28	EUR
SALE			10.000			11,28	EUR
SALE			100.000			11,31	EUR
SALE			1.716			11,28	EUR
SALE			284			11,28	EUR
SALE			614			11,27	EUR
PURCHASE			42			11,44	EUR
PURCHASE			17.958			11,44	EUR
PURCHASE			1.793			11,49	EUR
PURCHASE			13			11,28	EUR
PURCHASE			13			11,3	EUR
PURCHASE			82.500			11,4	EUR
SALE			86.661			11,39	EUR
SALE			99.923			11,27	EUR
SALE			77			11,28	EUR
SALE			150.000			11,31	EUR
SALE			250.000			11,32	EUR
SALE			30.000			11,3	EUR
SALE			1.392			11,4	EUR
PURCHASE			1.392			11,43	EUR



(b) Derivatives transactions in respect (other than options)

Product name,	Long/short (Note 6)		Number of securities (Note 7)		Price per unit (Note 5)		Currency
e.g. CFD
WARRANTS	LONG			2.500		0,60
WARRANTS	LONG			50.000		0,60
WARRANTS	LONG			50.000		0,62
WARRANTS	LONG			-50.000		0,60
WARRANTS	LONG			50.000		0,58
WARRANTS	LONG			50.000		0,57
WARRANTS	LONG			50.000		0,59
WARRANTS	SHORT			-100.000		0,76
WARRANTS	SHORT			-780		0,82
WARRANTS	SHORT			-650		0,82
WARRANTS	SHORT			-20.000		0,14
WARRANTS	SHORT			50		0,14
WARRANTS	SHORT			-10.000		0,14
WARRANTS	SHORT			50		0,14
WARRANTS	SHORT			-33.333		0,14
WARRANTS	SHORT			-3.000		0,15
WARRANTS	SHORT			-1.750		0,29
WARRANTS	SHORT			-5.000		0,32
WARRANTS	SHORT			-200		0,31
WARRANTS	SHORT			-10.000		0,34
WARRANTS	SHORT			5.000		0,35
WARRANTS	SHORT			-5.000		0,35
WARRANTS	SHORT			-6.000		0,47
WARRANTS	SHORT			2.000		0,21
FUTUROS	SHORT			-100		11,29
FUTUROS	SHORT			-1.000		11,27
FUTUROS	SHORT			-200		11,35
FUTUROS	SHORT			-2.000		11,42





(c) Options transactions in respect of existing securities


(i) Writing, selling, purchasing or varying

Product name,	Writing, selling,	Number of securities	Exercise	Type e.g.	Expiry	Option money	Currency
e.g. call option	purchasing,	to which the option	price	American	date	paid/received
	varying etc.	relates (Note 7)		European etc.		per unit (Note 5)



(ii) Exercising


Product name, e.g. call option		Number of securities		Exercise price per unit (Note 5)			Currency




(d) Other dealing (including new securities) (Note 4)

Nature of transaction (Note 8)		Details		Price per unit (if applicable) Note 5)			Currency
LENT SHARES REDELIVERED TO SANTANDER		370.057	SHARES
SHARES LENT BY SANTANDER		2.570.771	SHARES





4. OTHER INFORMATION

Agreements, arrangements or understandings relating to options or derivatives

Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating
to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or
future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If
none, this should be stated.





Is a Supplemental Form 8 attached? (Nota 9)					YES

Date of disclosure				18/07/2008
Contact name				JOSE MANUEL ARALUCE
Telephone number				+ (34) 912-893-392
Name of offeree/offeror with which associated				BANCO SANTANDER S.A
Specify category and nature of associate status (Note 10)				OFFEROR


Notes

The Notes on Form 8.1. can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk