Rule 8.3- Iberdrola

Banco Santander Central Hispano SA 23 April 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 20/04/2007 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 10,572,769 ...... 1.173% (2) Derivatives (other than options) 10,052,799 ...... 1.115% 30,731,090 ...... 3.409% (3) Options and agreements to purchase/ 6,383,112 ...... 0.708% 6,205,187 ...... 0.688% sell Total 27,008,680 ...... 2.996% 36,936,277 ...... 4.097% (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 1,100 36.51 Purchase 900 36.56 Purchase 5,000 37.12 Purchase 5,000 37.13 Purchase 10,000 37.25 Purchase 10,000 37.27 Purchase 5,000 37.29 Purchase 2,500 37.30 Purchase 2,500 37.35 Purchase 10,000 37.37 Purchase 5,000 37.44 Purchase 8,846 37.70 Purchase 3,000 37.84 Purchase 6,020 37.92 Purchase 3,099 37.97 Purchase 88,413 37.99 Purchase 4,804 37.99 Purchase 41,559 38.00 Purchase 5,000 38.01 Purchase 500 38.03 Purchase 2,741 38.05 Purchase 9,500 38.05 Purchase 72,100 38.05 Purchase 7,080 38.05 Purchase 70,000 38.07 Purchase 2,000 38.08 Purchase 200 38.08 Purchase 5,000 38.08 Purchase 6,000 38.12 Purchase 5,000 38.15 Purchase 7,838 38.20 Purchase 6,000 38.27 Purchase 5,000 38.27 Purchase 88,044 38.27 Purchase 10,000 38.30 Purchase 5,000 38.31 Purchase 5,000 38.32 Purchase 15,000 38.38 Purchase 10,000 38.40 Purchase 10,000 38.43 Purchase 6,549 38.43 Purchase 13,451 38.50 Purchase 2,500 38.51 Purchase 589 38.52 Purchase 20,658 38.56 Purchase 429 38.58 Purchase 3,324 38.60 Purchase 30,000 38.62 Purchase 21,012 38.63 Purchase 43,988 38.64 Purchase 20,000 38.65 Purchase 4,711 38.66 Purchase 25,289 38.67 Purchase 10,684 38.68 Purchase 29,316 38.70 Purchase 1,000 38.72 Purchase 10,000 38.73 Purchase 25,886 38.74 Purchase 20,000 38.75 Purchase 20,000 38.76 Purchase 500 38.78 Purchase 23,114 38.80 Purchase 6,782 38.82 Purchase 32,718 38.85 Disposal 2,000 36.54 Disposal 20,000 36.75 Disposal 16,000 37.07 Disposal 10,000 37.17 Disposal 10,000 37.24 Disposal 4,000 37.27 Disposal 1,000,000 37.30 Disposal 5,000 37.37 Disposal 13,000 37.40 Disposal 13,000 37.58 Disposal 10,000 37.60 Disposal 46,000 38.00 Disposal 200 38.01 Disposal 158,500 38.05 Disposal 30,000 38.06 Disposal 5,000 38.07 Disposal 11,986 38.10 Disposal 9,800 38.10 Disposal 14 38.12 Disposal 5,362 38.12 Disposal 200 38.13 Disposal 25,060 38.14 Disposal 4,940 38.15 Disposal 140,000 38.15 Disposal 1,063 38.15 Disposal 1,969 38.19 Disposal 141,000 38.20 Disposal 1,396 38.20 Disposal 8,575 38.20 Disposal 31 38.23 Disposal 2,000 38.24 Disposal 604 38.27 Disposal 5,000 38.43 Disposal 7,206 38.58 Disposal 2,794 38.60 Disposal 247,420 38.60 Disposal 27,274 38.60 Disposal 9,580 38.63 Disposal 2,580 38.63 Disposal 10,920 38.64 Disposal 400,000 38.64 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 34 12/07 Long 5,500 1.08 Warrant Call 34 12/07 Long 400 1.12 Warrant Call 34 12/07 Long 6,000 1.20 Warrant Call 34 12/07 Long 220 1.26 Warrant Call 34 12/07 Long 200 1.27 Warrant Call 34 12/07 Short 5,500 1.07 Warrant Call 34 12/07 Short 6,000 1.18 Warrant Call 35 09/07 Long 10,000 0.80 Warrant Call 35 09/07 Long 20,000 0.84 Warrant Call 35 09/07 Long 5,000 0.85 Warrant Call 35 09/07 Long 12,000 0.89 Warrant Call 35 09/07 Long 7,000 0.92 Warrant Call 35 09/07 Long 11,000 0.97 Warrant Call 35 09/07 Long 12,040 0.99 Warrant Call 35 09/07 Long 14,600 1.00 Warrant Call 35 09/07 Long 24,800 1.01 Warrant Call 35 09/07 Long 4,000 1.02 Warrant Call 35 09/07 Long 1,000 1.06 Warrant Call 35 09/07 Short 6,000 0.86 Warrant Call 35 09/07 Short 6,000 0.87 Warrant Call 35 09/07 Short 43,000 0.88 Warrant Call 35 09/07 Short 6,000 0.90 Warrant Call 36 06/07 Long 2,600 0.68 Warrant Call 36 06/07 Long 7,400 0.70 Warrant Call 36 06/07 Long 600 0.74 Warrant Call 36 06/07 Long 4,000 0.75 Warrant Call 36 06/07 Long 200 0.51 Warrant Call 36 06/07 Long 1,040 0.59 Warrant Call 36 06/07 Long 900 0.60 Warrant Call 36 06/07 Long 1,000 0.66 Warrant Call 36 06/07 Long 1,800 0.67 Warrant Call 36 06/07 Short 800 0.48 Warrant Call 36 06/07 Short 840 0.64 Warrant Call 36 06/07 Short 5,800 0.65 Warrant Call 36.5 12/ Long 400 0.86 07 Warrant Call 36.5 12/ Long 65,000 1.01 07 Warrant Call 37 09/07 Long 1,000 0.71 Warrant Call 37 09/07 Long 440 0.73 Warrant Call 37 09/07 Long 200 0.80 Warrant Call 38 06/07 Long 3,640 0.41 Warrant Call 38 06/07 Long 1,674 0.43 Warrant Call 38 06/07 Long 1,200 0.48 Warrant Call 38 06/07 Short 3,640 0.40 Warrant Call 38 06/07 Short 360 0.42 Warrant Call 40 06/08 Long 2,000 5.50 Warrant Call 40 06/08 Short 175 5.64 Warrant Put 33 06/07 Long 600 0.08 Warrant Put 35 12/07 Long 2,000 0.46 Warrant Put 36 06/07 Long 8,000 0.21 Warrant Put 36 06/07 Long 4,000 0.22 Warrant Put 36 06/07 Short 4,000 0.20 CFD 20/06/2007 Short 1,000,000 37.30 Future 30/06/2007 Long 5,000 38.17 Future 30/06/2007 Long 1,600 38.27 Future 30/06/2007 Long 5,000 38.31 Future 30/06/2007 Long 300 38.50 Future 30/06/2007 Long 200 38.52 Future 30/06/2007 Long 2,000 38.67 Future 30/06/2007 Short 100 36.80 Future 30/06/2007 Short 3,000 36.84 Future 30/06/2007 Short 3,000 36.86 Future 30/06/2007 Short 3,000 36.88 Future 30/06/2007 Short 3,000 36.90 Future 30/06/2007 Short 500 36.90 Future 30/06/2007 Short 200 36.92 Future 30/06/2007 Short 200 36.96 Future 30/06/2007 Short 100 36.98 Future 30/06/2007 Short 1,600 37.18 Future 30/06/2007 Short 900 37.36 Future 30/06/2007 Short 1,000 37.62 Future 30/06/2007 Short 300 38.11 Future 30/06/2007 Short 200 38.18 Future 30/06/2007 Short 5,000 38.23 Future 30/06/2007 Short 2,600 38.27 Future 30/06/2007 Short 5,000 38.29 Future 30/06/2007 Short 100 38.33 Future 30/06/2007 Short 100 38.34 Future 30/06/2007 Short 1,800 38.35 Future 30/06/2007 Short 400 38.43 Future 30/06/2007 Short 5,000 38.48 Future 30/06/2007 Short 400 38.49 Future 30/06/2007 Short 700 38.56 Future 30/06/2007 Short 500 38.58 Future 30/06/2007 Short 2,500 38.63 Future 30/06/2007 Short 3,000 38.81 Future 30/06/2007 Short 100 38.87 Future 30/06/2007 Short 1,000 38.93 (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) Call Option Purchase 138,000 38.00 European 30/06/2007 1.68 Call Option Purchase 105,000 37.00 European 30/06/2007 2.26 Call Option Purchase 98,900 36.00 European 31/12/2007 4.38 Call Option Purchase 50,000 37.00 European 30/06/2007 2.27 Call Option Disposal 50,500 42.00 European 31/12/2007 1.98 Call Option Disposal 36,600 40.00 European 31/12/2007 2.73 Put Option Purchase 300 37.00 European 30/06/2007 1.25 Put Option Purchase 2,900 37.00 European 30/06/2007 0.89 (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 23/04/2007 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 35,000 36.00 European 15/06/2007 Call Option Purchase 35,000 36.00 European 19/12/2008 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 Purchase 100,000 34.00 European 30/06/2007 Call Option Purchase 490,000 35.00 European 30/06/2007 Call Option Purchase 145,000 36.00 European 30/06/2007 Call Option Purchase 11,000 39.00 European 30/06/2007 Call Option Purchase 98,900 36.00 European 31/12/2007 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 9,000 35.00 European 31/12/2007 Call Option Purchase 200,000 21.00 European 30/06/2008 Call Option Purchase 50,000 37.00 European 30/06/2007 Call Option Disposal 25,000 37.00 European 30/06/2007 Call Option Disposal 1,722,000 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 Call Option Disposal 36,600 40.00 European 31/12/2007 Call Option Disposal 50,500 42.00 European 31/12/2007 Call Option Disposal 250,000 22.00 European 31/12/2008 Call Option Disposal 2,800 38.00 European 31/12/2007 Call Option Disposal 3,000 38.00 European 31/03/2008 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 Purchase 500,000 32.00 European 30/06/2007 Put Option Purchase 550,000 33.00 European 30/06/2007 Put Option Purchase 281,700 34.00 European 30/06/2007 Put Option Purchase 500,000 35.00 European 31/12/2007 Put Option Purchase 250,000 22.00 European 31/12/2008 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 35.00 European 31/12/2008 Put Option Purchase 250,000 28.00 European 31/12/2008 Put Option Purchase 1,000 35.00 European 30/06/2007 Put Option Purchase 3,200 37.00 European 30/06/2007 Put Option Disposal 500,000 32.00 European 31/12/2007 Put Option Disposal 750,000 33.00 European 31/12/2007 Put Option Disposal 250,000 28.00 European 31/12/2008 Put Option Disposal 500,000 35.00 European 31/12/2008 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 35.00 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 1,499,285 40.00 European 20/06/2008 Warrant Call Purchase 999,890 28.00 European 30/06/2007 Warrant Call Purchase 595,200 34.00 European 31/12/2007 Warrant Call Purchase 343,593 35.00 European 30/09/2007 Warrant Call Purchase 321,370 36.00 European 30/06/2007 Warrant Call Purchase 347,340 36.50 European 31/12/2007 Warrant Call Purchase 393,068 37.00 European 30/09/2007 Warrant Call Purchase 380,346 38.00 European 30/06/2007 Warrant Put Purchase 1,500,000 24.00 European 20/06/2008 Warrant Put Purchase 996,500 26.00 European 30/06/2007 Warrant Put Purchase 600,000 31.00 European 31/12/2007 Warrant Put Purchase 400,000 32.00 European 30/09/2007 Warrant Put Purchase 399,168 33.00 European 30/06/2007 Warrant Put Purchase 399,600 34.00 European 30/09/2007 Warrant Put Purchase 597,200 35.00 European 31/12/2007 Warrant Put Purchase 391,850 36.00 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 Purchase 7,500 01/06/2007 Future Disposal 451,500 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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