Rule 8.3- Iberdrola SA

Banco Santander Central Hispano SA 21 March 2007 FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE (Rule 8.3 of the Takeover Code) 1. KEY INFORMATION Name of person dealing (Note 1) BANCO SANTANDER CENTRAL HISPANO, S.A. Company dealt in IBERDROLA Class of relevant security to which the ORDINARY dealings being disclosed relate (Note 2) Date of dealing 20/03/2007 2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE (a) Interests and short positions (following dealing) in the class of relevant security dealt in (Note 3) Long Short Number (%) Number (%) (1) Relevant securities 11,162,796 ...... 1.238% (2) Derivatives (other than options) 9,703,220 ...... 1.076% 29,765,695 ...... 3.302% (3) Options and agreements to purchase/ 4,338,212 ...... 0.481% 4,873,348 ...... 0.541% sell Total 25,204,228 ...... 2.796% 34,639,043 ...... 3.842% (b) Interests 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 security: Details 3. DEALINGS (Note 4) (a) Purchases and sales Purchase/sale Number of securities Price per unit (Note 5) Euro Purchase 2,000 34.36 Purchase 2,000 34.48 Purchase 1,891 34.49 Purchase 18,109 34.50 Purchase 2,000 34.53 Purchase 48,516 34.61 Purchase 50,000 34.68 Purchase 100,000 34.78 Purchase 3,000 34.36 Purchase 2,000 34.39 Purchase 2,859 34.41 Purchase 2,496 34.42 Purchase 15,000 34.50 Purchase 11,481 34.70 Purchase 5,000 34.81 Purchase 33,000 34.50 Purchase 300 33.71 Purchase 20,000 34.80 Purchase 5,000 34.47 Purchase 2,000 34.28 Purchase 5,400 34.24 Purchase 13,112 34.25 Purchase 6,266 34.23 Purchase 4,545 34.38 Purchase 6,000 34.55 Purchase 5,000 34.67 Purchase 35,000 34.62 Disposal 2,795 34.48 Disposal 7,205 34.50 Disposal 16,000 34.52 Disposal 12,438 34.62 Disposal 161,690 34.62 Disposal 20,000 34.61 Disposal 7,000 34.45 Disposal 4,000 34.28 Disposal 14,000 34.37 Disposal 3,000 34.36 Disposal 13,000 34.40 Derivatives transactions (other than options) Product name, Long/short (Note 6) Number of securities (Note 7) Price per unit (Note 5) Euro e.g. CFD Warrant Call 35 09/07 Short 3,000 0.6 Warrant Call 35 09/07 Long 5,000 0.61 Warrant Call 35 09/07 Short 5,000 0.62 Warrant Call 36 06/07 Long 2,600 0.39 Warrant Call 36 06/07 Short 2,400 0.35 Warrant Call 36.5 12/07 Short 1,000 0.61 Warrant Call 37 09/07 Short 571 0.42 Warrant Call 37 09/07 Long 571 0.41 Future 31/03/2007 Long 9,000 33.44 Future 30/06/2007 Short 200 34.65 Future 30/06/2007 Short 1,000 34.66 Future 30/06/2007 Short 500 34.68 Future 30/06/2007 Short 1,900 34.73 Future 30/06/2007 Short 500 34.86 Future 30/06/2007 Short 2,200 34.88 Future 30/06/2007 Short 1,000 34.91 Future 30/06/2007 Short 400 35.08 Future 30/06/2007 Short 300 35.08 (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 purchasing, to which the option American, e.g. call option varying etc. relates (Note 7) price European etc. date paid/received per unit (Note 5) (ii) Exercising Product name, e.g. call option Number of securities Exercise price per unit (Note 5) (d) Other dealings (including new securities) (Note 4) Nature of transaction (Note 8) Details Price per unit (if applicable) (Note 5) 4. OTHER INFORMATION Agreements, arrangements or understandings relating to options or derivatives NONE 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? (Note 9) YES Date of disclosure 21/03/2007 Contact name JOSE MANUEL ARALUCE Telephone number (34) 91-289 3392 If a connected EFM, name of offeree/offeror with which connected If a connected EFM, state nature of connection (Note 10) Notes The Notes on Form 8.3 can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk 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 or Number of securities Exercise price Type, e.g. Expiry date purchased to which the option or (Note 2) American, e.g. call option derivative relates European etc. Euro Call Option Purchase 9,000 35.00 European 31/12/2007 Call Option Purchase 200,000 21.00 European 30/06/2008 Call Option Purchase 100,000 34.00 European 30/06/2007 Call Option Purchase 250,000 22.00 European 31/12/2008 Call Option Purchase 500,000 39.00 European 31/12/2008 Call Option Purchase 8,563 34.96 European 26/02/2009 Call Option Purchase 22,975 38.65 European 20/08/2008 Call Option Purchase 22,975 34.82 European 20/08/2008 Call Option Purchase 11,456 32.57 European 17/01/2008 Call Option Purchase 820,868 27.41 European 01/04/2009 Call Option Purchase 300,000 23.00 European 21/12/2007 Call Option Purchase 192,375 17.48 European 19/11/2007 Call Option Disposal 250,000 22.00 European 31/12/2008 Call Option Disposal 10,000 35.00 European 30/06/2007 Call Option Disposal 105,000 36.00 European 30/06/2007 Call Option Disposal 130,000 37.00 European 30/06/2007 Call Option Disposal 2,110,000 38.00 European 30/06/2007 Call Option Disposal 30,000 31.00 European 30/09/2007 Call Option Disposal 500,000 33.00 European 31/12/2007 Put Option Purchase 9,000 31.00 European 31/12/2007 Put Option Purchase 150,000 33.00 European 30/06/2007 Put Option Purchase 30,000 29.00 European 30/09/2007 Put Option Purchase 500,000 32.00 European 30/06/2007 Put Option Purchase 300,000 33.00 European 30/06/2007 Put Option Purchase 250,000 22.00 European 31/12/2008 Put Option Purchase 8,961 33.48 European 20/03/2007 Put Option Purchase 19,929 27.60 European 11/09/2007 Put Option Purchase 160,810 18.24 European 25/06/2009 Put Option Purchase 59,648 24.98 European 12/06/2009 Put Option Purchase 250,000 22.00 European 20/06/2008 Put Option Disposal 200,000 22.00 European 30/06/2007 Put Option Disposal 200,000 33.00 European 31/12/2007 Put Option Disposal 250,000 22.00 European 31/12/2008 Put Option Disposal 500,000 32.00 European 31/12/2007 Put Option Disposal 750,000 33.00 European 31/12/2007 Warrant Call Purchase 1,498,890 34.00 European 20/06/2008 Warrant Call Purchase 1,500,000 37.00 European 20/06/2008 Warrant Call Purchase 1,499,460 40.00 European 20/06/2008 Warrant Call Purchase 374,241 36.00 European 30/06/2007 Warrant Call Purchase 385,232 38.00 European 30/06/2007 Warrant Call Purchase 80,792 35.00 European 30/09/2007 Warrant Call Purchase 2,218 37.00 European 30/09/2007 Warrant Call Purchase 596,960 36.50 European 31/12/2007 Warrant Call Purchase 599,220 34.00 European 31/12/2007 Warrant Call Purchase 999,890 28.00 European 30/06/2007 Warrant Put Purchase 1,500,000 24.00 European 20/06/2008 Warrant Put Purchase 399,768 33.00 European 30/06/2007 Warrant Put Purchase 400,000 36.00 European 30/06/2007 Warrant Put Purchase 400,000 32.00 European 30/09/2007 Warrant Put Purchase 399,600 34.00 European 30/09/2007 Warrant Put Purchase 600,000 31.00 European 31/12/2007 Warrant Put Purchase 599,800 35.00 European 31/12/2007 Warrant Put Purchase 996,500 26.00 European 30/06/2007 Future Purchase 1,000,000 19/05/2007 Future Purchase 1,000,000 19/05/2007 Future Purchase 166,317 16/11/2007 Future Disposal 20,000 01/06/2007 Future Disposal 229,200 30/06/2007 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 This information is provided by RNS The company news service from the London Stock Exchange
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