Exhibit 99 (b) August 11, 1998 - ------------------------------------------------------------------------- Supplemental Information [BP LOGO] [AMOCO LOGO] Highlights Transaction summary Transaction Overview - ---------------------------------- ------------------------------------- - - Merger of Amoco into a Transaction description newly formed BP first-tier - UK Holding Company Structure US subsidiary - Amoco shareholders exchange their shares in Amoco for ADRs - - Amoco shareholders receive representing shares in BP BP plc ordinary shares Accounting/reporting as ADRs - Accounted for as a merger under UK GAAP (or "pooling" - - Unified global management under US GAAP) team - BP to report in US dollars, under UK GAAP with - - US and UK GAAP results supplementary US GAAP information presented using merger provided accounting or on a Dividends "pooling of interest" basis - Dividends to be declared in dollars, with a sterling - - US dollar denominated group alternative to be financials and dividends offered to all UK shareholders of BP who require Sterling - - Transaction recommended by - Dividends to be distributed in both Boards the normal course of business up until closing - - Target closing: Listing/index December 31, 1998 - BP+Amoco remains in the FTSE 100 index - FTSE weighting expected to increase Approvals - Approvals by shareholders of BP and Amoco - Regulatory & tax authorities The Supermajors1 Reserves2 vs. Market Capitalisation3 [Graph containing the following data:] Oil/NGL/Gas Market Reserves Capitalisation (mm boe) ($ MM) The Supermajors BP + Amoco 14782 119242 Exxon 13812 171581 RD Shell Group 19036 180507 Amoco 5601 38265 Arco 4111 23043 BG Plc 824 25397 BP4 8666 80977 Chevron 6167 53346 Elf 3375 37061 ENI 4558 54153 Enron Corp. 741 18594 Marathon 1445 9968 Mobil 6931 56260 Occidental 1425 8724 Petrofina 848 9312 Phillips 2276 11715 Repsol 1037 16641 Total 4583 29518 Texaco 4308 31926 YPF 3073 10680 Source: annual report for BP and Amoco; Petrocompanies for the remainder; Datastream 1 Worldwide publicly traded companies included 2 Barrels of oil equivalent, excluding affiliates, 1997 data 3 As of July 24, 1998; on a combined basis for BP+Amoco 4 Includes associated undertaking (Abu Dhabi) ["boe" denotes barrels of oil equivalents.] Top three ranking1 - ------------------------------------------------------------------------ #2 Oil and gas #2 Oil and gas #3 Net refining production4 reserves2,4 capacity - ------------------------ ----------------------- ---------------------- 000 boe/d mm boe 000 barrels/day RD/Shell 3,662 RD/Shell 19,036 RD/Shell 4,463 BP+Amoco3 2,889 BP+Amoco3 14,782 Exxon 2,922 Exxon 2,656 Exxon 13,812 BP+Amoco 2,714 Mobil 1,686 Mobil 6,931 Mobil 2,283 Chevron 1,421 Chevron 6,167 Chevron 1,548 Texaco 1,196 Total 4,583 Texaco 1,546 Elf 1,013 ENI 4,558 ENI 955 ENI 961 Texaco 4,308 Elf 930 #2 SEC 10 5 #3 1997 net income ----------------------- ---------------------------- US $bn US $bn RD/Shell 44.8 Exxon 8.5 BP+Amoco 34.4 RD/Shell 7.8 Exxon 33.1 BP6+Amoco 6.4 ENI 19.4 Chevron 3.2 Mobil 17.8 Mobil 3.2 Chevron 15.0 ENI 3.0 Texaco 12.1 Texaco 2.7 Arco 11.2 Arco 2.0 Source: Annual Reports and Financial Supplements for BP and Amoco; Petrocompanies for the remainder 1 Worldwide publicly traded companies included 2 As at 31/12/97 3 Includes associated undertakings 4 One barrel of oil equivalent = 5,800 cubic feet of gas 5 Standardized measure of discounted future net cash flows relating to proved oil and gas reserves 6 US GAAP The merged company structure and management - ------------------------------------------------------------------------------ Structure Management - ---------------------------------- --------------------------------------- Amoco BP Co-Chairman --------Co-Chairman shareholders shareholders P. D. Sutherland | H. L. Fuller | \ / | ADR \ / Board of 22 members \ / 13 nominated by BP and 9 nominated by \ / Amoco \ / | \ / | Group Chief BP+Amoco plc Executive Sir John Browne / \ | / \ | / \ Group chief | / \ Financial Officer -| / \ J. G. S. Buchanan | | Amoco Corp BPsubs | ------------|---------- | | Deputy CEO/ Deputy CEO/ Co-President Co-President R.F. Chase W.G. Lowrie Value creation - ------------------------------------------------------------------- Annual pre-tax cost savings by 2001 (US $MM) Delivering shareholder value - ----------------------------------- ---------------------------- Organisational efficiency 1,000 - $2bn pretax income boosted by end 2000 Focused exploration 300 - Revenue synergies not included Business process 200 - More upside after 2001 Procurement 250 - Management compensation linked to delivery Operational rationalisation 250 _______ 2,000 Upstream operations - --------------------------------------------------------------------- BP+Amoco reserves (million barrels of oil equivalent) - --------------------------------------------------------------------- By product 1993 1994 1995 1996 1997 1997% - ---------------------------------------------------------------------- Oil 8,760 8,743 8,899 9,194 9,272 63% Gas 4,808 4,960 5,092 5,233 5,510 37% Total 13,568 13,703 13,991 14,427 14,782 - ---------------------------------------------------------------------- By region 1993 1994 1995 1996 1997 1997% - ---------------------------------------------------------------------- US 6,330 6,328 6,306 6,158 6,044 41% Europe 2,877 2,897 2,928 2,946 2,876 19% Rest of world1 4,361 4,478 4,757 5,323 5,862 40% Total 13,568 13,703 13,991 14,427 14,782 BP+Amoco production (000 barrels of oil equivalent per day) - --------------------------------------------------------------------- By product 1993 1994 1995 1996 1997 1997% - --------------------------------------------------------------------- Oil 1,920 1,933 1,873 1,903 1,888 65% Gas 911 947 946 1,020 1,001 35% Total 2,831 2,880 2,819 2,923 2,889 - ------------------------------ -------------------------------------- By region 1993 1994 1995 1996 1997 1997% - --------------------------------------------------------------------- US 1,369 1,344 1,301 1,315 1,252 43% Europe 702 790 748 799 831 29% Rest of world1 759 746 770 809 806 28% Total 2,831 2,880 2,819 2,923 2,889 Highlights - - OECD core in: the North Sea, the North American gas business, and Alaska where the new group will be the leading producer in each area, with the profitability, infrastructure, and resource base to sustain itself for the foreseeable future - - Enhanced scale and competitive advantage in emerging areas in Caspian, Gulf of Mexico, Angola, Venezuela and Norway - - Portfolio of gas plays in emerging markets in Trinidad, the Southern Cone of South America, in northern European the Greater Mediterranean, and the Far East - - Access/Options/Relationships in: Russia, and the Middle East Source: Annual Reports and Financial Supplements Note: one barrel of crude oil = 5,800 cubic feet of gas 1 Includes BP's associated undertaking in Abu Dhabi Downstream operations - ---------------------------------------------------------------- BP+Amoco downstream volumes and share - ---------------------------------------------------------------- Downstream volumes worldwide (000 boe/day) 1993 1994 1995 1996 1997 - ---------------------------------------------------------------- Gasolines 1,277 1,245 1,270 1,253 1,312 Distillates1 1,250 1,193 1,189 1,179 1,200 Other2 622 627 645 637 734 Total 3,149 3,065 3,104 3,069 3,246 - ----------------------------------------------------------------- Highlights - - Largest gasoline retail share in the US east of the Rockies (excluding Texas) - - #1 or #2 in 20 out of 35 States in which it operates - - #2 for the whole US (Shell/Texaco strong on West Coast) - - Refining portfolio in 1st or 2nd quartile for performance - - Top tier with respect to sale of premium gasolines (Amoco 32% vs. BP 20%) Estimated 1996 market share of retail fuel US gasoline retail share4,7 sales in OECD Europe5 - --------------------------- ---------------------- BP+Amoco 14% Shell 12% Shell-Texaco 13% Exxon 10% Exxon 7% BP/Mobil 10% Mobil 7% Agip 7% Marathon/Ashland 7% Elf6 6% Citgo 7% Repsol 5% Others 45% Aral 5% Others 45% Total 100% Total 100% BP+Amoco refining capacity3 - --------------------------------------------- Net capacity3 Country (000 boe/day) - ------------------------ ---------------- US 1,420 UK 270 Australia 212 France 207 Netherlands 182 Germany 102 South Africa 83 Singapore 75 Spain 75 Turkey 48 New Zealand 28 Kenya 12 - -------------------------------------------- Total 2,714 Source: Annual Reports and Financial Supplements 1 Includes aviation fuels 2 Includes fuel oil 3 Crude distillation rated capacity 4 Source: Lundberg 5 Source: Wood Mackenzie, April 1998 6 Includes 100% of Cepsa 7 Excluding Pacific Coast, S.W. States, and Texas Chemicals operations Chemicals ranking Company 1997 sales (US$ bn) - ----------------------------------------- Royal Dutch/Shell 14.3 BASF 13.4 BP+Amoco1 12.8 Exxon 12.2 Dow 10.2 - ----------------------------------------- Other Oil Companies 1997 sales (US$ bn) - ----------------------------------------- ENI 5.7 ARCO 3.7 Phillips 3.5 Chevron 3.5 Mobil 3.0 - ----------------------------------------- Global market position Leading technology - --------------------------------------------------- #1 Acetic acid free market - Acetic acid and VAM2 #1 Acrylonitrile - Acrylonitrile #1 Aromatics - Polyethylene #1 PTA3 - PTA #1 PIB4 - Solvents #2 Polypropylene - Alpha-Olefins - ---------------------------------------------------- Source: Annual Reports and Financial Supplements 1 Includes joint venture sales 2 Vinyl acetate 3 Purified terephthalic acid 4 Polybutene Major chemical site locations Site Country Main products - ----------------------------------------------------------------- Lima US Acrylonitrile Green Lake US Acrylonitrile Texas City US Acetic acid, Solvents Whiting US Polymers Joliet US Industrial Chemicals Decatur US Paraxylene/PTA Cooper River US PTA Pasadena Dear Park US Alpha-olefins Chocolate Bayou US Olefins Polypropylene Texas City US Styrene, Paraxylene Cedar Bayou US Polypropylene Cosoleacaque Mexico PTA Sao Paulo Brazil PTA Baglan Bay UK Solvents, Styrene, Grangemouth UK Polymers, Olefins, Solvents - ----------------------------------------------------------------- Site Country Main products - ----------------------------------------------------------------- Hull UK Acetic acid, Solvents Wilton UK Polymers and Olefins Feluy Belgium Alpha-olefins Geel Belgium PTA, Polypropylene Lavera France Polymers, Olefins, Solvents Gonfrevile France Polypropylene Wingles France Styrenics Dormagen Germany Polymers, Olefins Marl Germany Styrenics Merak Indonesia Polymers, PTA Kertih Malaysia Polymers, Olefins Singapore Singapore Paraxylene, Electronic materials Kuantan Malaysia PTA Ulsan South Korea PTA, Acetic acid, solvents Kaohsiung Taiwan PTA Source: Annual Reports and Financial Supplements Timetable By end 1998: - - Regulatory approvals - - Shareholder approval - - Target for final agreement