Syngenta Corporate Presentation. Updated February 2011.

1. UpdatedFebruary 2011 Corporate Presentation Classification: PUBLIC

2. Safe harbor This document contains forward-looking statements, which can be identified by terminology such as ‘expect’, ‘would’, ‘will’, ‘potential’, ‘plans’, ‘prospects’, ‘estimated’, ‘aiming’, ‘on track’ and similar expressions. Such statements may be subject to risks and uncertainties that could cause the actual results to differ materially from these statements. We refer you to Syngenta's publicly available filings with the U.S. Securities and Exchange Commission for information about these and other risks and uncertainties. Syngenta assumes no obligation to update forward-looking statements to reflect actual results, changed assumptions or other factors. This document does not constitute, or form part of, any offer or invitation to sell or issue, or any solicitation of any offer, to purchase or subscribe for any ordinary shares in Syngenta AG, or Syngenta ADSs, nor shall it form the basis of, or be relied on in connection with, any contract therefor. Classification: PUBLIC

3. Who we are and what we do Syngenta is one of the world’s leading companies with more than 26,000 employees in over 90 countries dedicated to our purpose: Bringing plant potential to life. Our Crop Protection and Seeds products help growers increase crop yields and productivity. We contribute to meeting the growing global demand for food, feed and fuel and are committed to protecting the environment, promoting health and improving the quality of life. Classification: PUBLIC

4. Global challenges Classification: PUBLIC

5. Demand is driven by population growth and land scarcity Classification: PUBLIC People fed per hectare World population 2030 >8 billion 2030>5 people 2005>4 people 20056.5 billion 19602 people 19502.5 billion Source: FAO, World Bank statistics, Syngenta

6. Growing more with less Classification: PUBLIC Basket: corn, soybean, wheat, rice1, % 250 Yield 200 Limited resources: land, water Changes in climatic patterns Environmental sustainability Need for innovative and integrated technology solutions Acreage 150 100 1960 2010 World population growth2, bn 1950 2030 2010 1990 1970 2050 1 Source: USDA, January 2010 2 Source: UN World Population Prospects: 2008 Revision, Medium variant

7. Market Fundamentals – 2010/11 Crop price rebound in H2 Weather related supply concerns Sustained Chinese imports Yields back to trend after 2009 record levels Feed: remains the main driver of demand uncertainty Fundamental drivers remain: population, diet Classification: PUBLIC Stocks-to-use ratio*% Crop price index** Jan 2002 = 100 01/02 02/03 03/04 04/05 05/06 06/07 07/08 08/09 09/10 10/11E *STU ratio for combined corn, soy, wheat and rice per USDA defined marketing season **Equally weighted basket of corn (C1 Cmdty), soybeans (S 1 Cmdty), rice (RR1 COMB Cmdty), wheat (W 1 Cmdty). Prices in $/bu and $/cwt converted to $/ton. Prices: last update 13.01.11 Source: WASDE Jan 2011 for STU, Bloomberg for prices, Syngenta analysis

8. Did you know that…? By 2050, global population will rise by about a third to9 billionpeople but Global calorie demand will increase by 50% Classification: PUBLIC Source: FAO, World Bank statistics, Syngenta

10. Developedcountries**

11. Avg

12. 2007-2009

13. 2020* Includes: wheat, oilseeds, rice, coarse grains ** BRIC = Brazil, Russia, India, China; Developed = NAFTA, EU, Japan, Australia Source: FAO-OECD 2010/19 Agricultural Outlook, Syngenta Analysis

14. Challenges for global agriculture Huge rise in demand Limited farmland Limited water supplies Need to continue raising yields Classification: PUBLIC We must do more with less Only sustainable approach is to unlock the potential of plants through innovation

15. Our industry Classification: PUBLIC

16. Did you know that…? Classification: PUBLIC 40% of the world’s food would not exist without crop protection products. That is why the world can produce enough food to provide every person with more than 2700 calories per day

17. Market overview 2009 Classification: PUBLIC Global market: ~ $72 bn Conventional Seeds(~ $16 bn) GM Seeds(~ $11 bn) Crop Protection* (~ $40 bn) Non-Crop Chemicals (~ $5.7 bn) *Includes Seed Treatment Source: Syngenta Analysis, Philips McDougall

18. Competitors in 2009 Classification: PUBLIC Sources: Companies Annual/Quarterly reports, Phillips McDougall, Agreworld, Syngenta Analysis

19. Who we are and what we do Classification: PUBLIC

20. We bring plant potential to life Syngenta is one of the world’s leading companies with more than 26,000 employees in over 90 countries dedicated to our purpose: Bringing plant potential to life. Our Crop Protection and Seeds products help growers increase crop yields and productivity. We contribute to meeting the growing global demand for food, feed and fuel and are committed to protecting the environment, promoting health and improving the quality of life. Classification: PUBLIC

21. Syngenta at a glance A uniquely broad product portfolio A leader in crop protection Third in high-value commercial seeds World-class science $1 billion R&D investments in 2010 5,000 people in R&D around the world Global reach and experience Over 26,000 employees in more than 90 countries Commitment to working with customers Tailoring solutions to individual needs Classification: PUBLIC

22. Sustained outperformance Classification: INTERNAL USE ONLY Sales $bn EPS* $ Emerging market growth Crop Protection market share gain Doubling size of Seeds business New products Innovative marketing Cost, capital efficiency CAGR+26% * Fully diluted basis, excluding restructuring & impairmentSource: Syngenta

23. Did you know that…? Syngentaproductsprotectthepotatoesforabout1,300,000tonnes of chips and crispseveryyear. Classification: PUBLIC

24. Did you know that…? Classification: PUBLIC 1 in 6 tomatoes is grown using Syngenta seed

25. Did you know that…? 16% of the global market of Sweetcorn, 50 million tonnes, is from Syngenta seed Classification: PUBLIC

26. Did you know that…? 4 million tonnes of cotton are grown using our crop protection products That’s the equivalent of 20 billion T-Shirts every year Classification: PUBLIC

27. Did you know that…? Syngenta introduces 100 new ornamental varieties every year Classification: PUBLIC

28. Lawn & Garden* Syngenta has three businesses Classification: PUBLIC Crop Protection Seeds Flowers Growing Media** Chemical Controls** Turf & Ornamentals** Selective herbicides Non-selective herbicides Fungicides Insecticides Seed care Corn & Soybean Diverse Field Crops Vegetables * Newlyestablished in 2008 - Financial reportingforproductlinesin 2008 underCropProtection and Seedsrespectively ** Reported as Professional ProductsunderCropProtection

29. Major product brands Classification: PUBLIC Herbicides control weeds that compete with crops for light and nutrients Fungicides prevent and cure fungal disease Insecticides control pests which reduce yields by damaging crops Seed Care products for protecting young plants against insects and disease Seeds for corn, soybean, sugar beet, cereals, oil crops; vegetables and flowers

30. Syngenta sales 2010: $ 11.6 bn Classification: PUBLIC Crop Protection Seeds $ 8.8 bn (77%) $ 2.8 bn (23%) Crop Protection Seeds Corn & Soybean (58%) Selective Herbicides (26%) Diverse Field Crops (23%) Non-selective Herbicides (11%) Vegetables (10%) Fungicides (30%) Flowers (9%) Insecticides (17%) Professional Products (5%) Other (2%) Seed Care (9%)

31. Syngenta sales by region 2010 Classification: PUBLIC NAFTA Sales2010: $ 3.6 bn EAME Sales2010: $ 3.7 bn APAC Sales2010: $ 1.8 bn LATAM Sales2010: $ 2.5bn Total sales: $ 11.6 bn Crop Protection Seeds

32. Where our people are located Classification: PUBLIC NAFTA 5,022 EAME 12,466 APAC 4,687 LATAM 4,004 TOTAL* = 26,179 * FTE at December 2010

33. Syngenta businesses Classification: PUBLIC

34. Sales 2010: Crop Protection Classification: PUBLIC Others $ 138m Regional sales - Total $ 8.8 bn Product line sales - Total $ 8.8 bn Non-selective Herbicides Europe, Africa and Middle East AsiaPacific Fungicides $ 987m Selective Herbicides $1 546m $ 2 649m $ 2 662m $ 2 308m $ 2 300m Latin America $ 1 475m $2 383m $ 470m $ 838m Insecticides Professional Products NAFTA Seed Care

35. Portfolioexpansion Tailoredbusiness models New product growth, strong pipeline Global crop strength, reach Creating new markets Costefficiency Crop Protection: distinctive strategy to capture opportunities Classification: PUBLIC

36. 2010 sales: $69m +22% Peak est: >$200m 2010 sales: $87m +137% Peak est: >$400m 2010 sales: $27m +114% Peak est: >$350m 2010 sales: $276m -2% Peak est: >$350m New products: technology enables global growth Classification: PUBLIC

37. Classification: PUBLIC Plant Performance: building leadership Takes yields to a new level vigor, greening, drought relief PlantPerformance Protects yield potential full crop programs, solutions Crop Enhancement Crop Care Reduces loss single product offers Pest Control Integration of technology, know-how & skills

38. Sales 2010: Seeds Classification: PUBLIC Product line sales $ 2.8 bn Regional sales $ 2.8 bn Diverse Field Crops Asia Pacific Europe, Africa & Middle East Vegetables $ 249m $524m NAFTA $663m $1 047m $ 1 234m $ 1 281m $ 337m $275m Flowers Latin America Corn & Soybean

40. Europe: germplasm expansion

41. LATAM: trait, soybean growth

43. Sugar beet: GM success in USA

44. Oilseed rape: high value hybrids

45. Cereals: wheat varieties, hybrid barley

47. Acquisitions

49. Classification: PUBLIC Seeds: market growth, technology Seeds and Traits market$bn >$50 Demand for higher yield drives broader technology adoption hybrids, GM, stacks Increasing value Growth across crops >$35 Corn & Soybean ~$26 Field Crops* Vegetables,Flowers 2008 2020E 2015E *Includes cereals and rice Source: Syngenta

50. US corn: achieving milestones, building strength Classification: PUBLIC Proprietarytriple stack Expandedmulti-stack options Elite germplasm combinations Strong distributor presence LeadingSeed Care portfolio

51. Corn portfolio and pipeline to meet all agronomic needs Classification: PUBLIC Insect pressure Herculex® 1 Herculex® RW Triple stack +LibertyLink® Drought Drought tolerance Weeds LibertyLink®, a trademark of Bayer CropScience; Herculex®, a trademark of Dow AgroSciences LLC

52. Diverse Field Crops: broad-based growth, differentiated portfolio 2010 sales: $524m, +13% Expansion across all regions Sugar beet: broad presence in key markets GM technology Sunflower: Strong growth in emerging markets herbicide tolerance, virus resistance, disease control W Europe,AME+10% NAFTA+11% APAC+1% E Europe+31% LATAM+62% EAMELATAMAPAC EAMENAFTA Sunflower Sugar beet Growth at constant exchange rates

53. Vegetables, Fresh Produce product innovation Classification: PUBLIC Integrated global technology network strength in 14 major crops leading native traits, marker-assisted breeding >140 new varieties per annum Cross-regional sourcing Piloting downstream programs taste, nutrition, convenience retail branding

54. Vegetables: continuing outperformance 2010 market $4.3 billion: almost doubling by 2024* Syngenta Vegetables Seeds growth above market (+10% in both 2010 and 2011) and pricing at par High value crop focus: target #1 or #2 in key crops Industry pricing under pressure in 2010 after important increases in previous years Classification: PUBLIC 2010 sales: $663 million, +11% APAC+18% EAME +7% LATAM +27% NAFTA+13% Growth at constant exchange rates * Source: Syngenta estimates

55. in sugarcane: anticipating customer needs Germplasm, crop protection: integrated R&D First integrated mechanized planting system Launch 2011: $300m in orders to 2015 Long term contracts with sugar mills Peak sales potential: >$500m

57. seed care

58. Mechanized transplanting

60. Focus on Professional: Ornamentals, Golf, Turf

61. Partnerships in Consumer

62. Flowers acquisitions enhance leadership* Flower Seeds and Professional Products

63. World-class science Classification: PUBLIC

64. Did you know that…? Some5000Syngentaemployeeswork in Research and Development We spent around $1 billion in 2010 on R&D Classification: PUBLIC

66. Global field station networkGlobal R&D capabilities Classification: PUBLIC STEIN Fungicides, Insecticides & Professional Products

68. New plant sciences

69. Superior chemicals

70. Novel seed varieties

71. New crop solutions

72. Combined skills - most powerful R&T engine

73. Rich pipeline

74. Efficiency through capturing synergyLong term Medium term Short term Research and Development: engine for profitable growth Classification: PUBLIC

77. Crop protection compounds: the long road to market Classification: PUBLIC 1 - 2 30 5000 compounds Support 100’000 compounds Evaluate Profile Discover Time

78. Crop Protection pipeline: multi-crop potential Peaksales Lateresearch Earlydevelopment Late development Targetlaunch >$1.7bn Sedaxane(SC fungicide) 2011 – 2014 Bicyclopyrone(herbicide) Cyantraniliproleinsecticide SYN 192fungicide (stress tolerance) Corn Soybean Cereals Vegetables Rice Sugar cane Others Invinsa™, a trademark of AgroFresh Inc., a subsidiary of DAS Specialty

79. Crop Protection pipeline: multi-crop potential Peaksales Lateresearch Earlydevelopment Late development Targetlaunch >$0.5bn post 2014 Fungicide Insecticide Herbicide New cropenhancer Corn Soybean Cereals Vegetables Rice Sugar cane Others Invinsa™, a trademark of AgroFresh Inc., a subsidiary of DAS Specialty

80. Corn Seeds pipeline: peak sales potential >$2 billion Earlydevelopment Late development Initiallaunches Peak sales >$2.0bn Launched 2010 2010 2010 2010 Biotic stress 2012 2014 next generation RW Abiotic stress post2015 Water opt., nitrogen use efficiency Output traits 2011* post2015 CarbYield™ * Approved in Japan, Canada, Australia, New Zealand, Mexico, Philippines

81. Soybean Seeds pipeline: peak sales potential >$700 million Earlydevelopment Late development Initiallaunches Peak sales >$700m Herbicide tolerance Launched 2010 2nd generation HT HPPD solution 2016 / 17 Other input traits Launched 2010* 2nd generationnematode resistance Launched 2010* Aphid management system Rust solution 2012* post2015 GM insect resistance * Native traits

83. Practical routes to novel crop varieties

84. Fast-tracking to marketCrop transformation High throughputscreening Molecular toxicology and environmental science Marker-assistedbreeding Advancedformulation Strength in genomics is key to building new markets Unique combination of technology platforms Classification: PUBLIC Advancedformulation

85. Corporate Responsibility Classification: PUBLIC

86. Our contribution: focused on the global challenges Corporate Responsibility: inherent in what we do Our contribution: increasing yields and crop quality improving resource efficiency in agriculture growing rural communities reducing our own footprint investment in R&D for the future of agriculture Classification: PUBLIC

87. Grow more from less Syngenta believes that farmers can produce enough to meet the world’s needs for food, fuel and fiber and safeguard the only planet we have for future generations – if we take a system-wide approach that links technology, land and people. These three elements build the foundation for a sustainable production system in which technology enables better solutions for farmers to increase productivity and profitability, to increase resource efficiency, and help reach food security. Classification: PUBLIC Technology Better solutions Resource efficiency People Land Rural economies

88. Better solutions Choices on the farm To ensure that farms meet their productivity potential, we need enabling and transparent regulations, to make safe technologies available to farmers. Accelerating innovation We need mechanisms to share innovation; protecting intellectual property helps stimulate research and development. Sharing knowledge Agriculture is based on knowledge supported by science; we need new partnerships to raise agronomy skills and share expertise. Classification: PUBLIC

89. Resource efficiency Preserving the land We need to increase productivity on existing farmland. High stakes for water 40% of water used for agriculture is wasted; we need solutions that increase water efficiency. Vitality of biodiversity Biodiversity and agriculture depend on each other; we need to protect the diversity of nature to secure our food supply and quality of life. Classification: PUBLIC

90. Rural Communities Building markets Growing is not enough; farmers need supporting infrastructure and access to markets, finance and information. Valuing farm work Rural economies carry the weight of feeding the world; farming needs to be worthwhile and profitable. Community development We need agriculture to spur socio-economic development of rural communities. Classification: PUBLIC

91. Food security: better food systems using fewer resources Classification: PUBLIC Technology Land People Sustainable production system recognizes connections between technology, land and people Limitation: availability of natural resources Improved access and distribution through enabling policies Food Security

92. Sustainable agriculture Classification: PUBLIC Our commitment: contribute to sustainable agriculture in the production of healthy food and the conservation of biodiversity Preservesbiodiversity Ensures soilconservation Avoidsdeforestation Maintainswater quality Protects health & safety of community Suits localconditions and capacity Protects economic viability of farming

93. Sustainable agriculture: Higher yields reduce poverty Our contribution to society and our business performance are mutually dependent Our products meet the needs of a fast-growing population Classification: PUBLIC

94. Did you know that…? Classification: PUBLIC In 2010 Syngenta trained more than 4 million farmers in the safe use of crop protection products

96. Reduce greenhouse gas emissions relative to EBIT by 40% by 2012

97. Minimum tillage, nitrogen efficiency

98. Biofuels: corn amylase, tropical sugar beet, key research partnerships1 CO2e – Carbon dioxide equivalents 2 mainly driven by increasing and protecting yield and enabling no tillage

99. Recognizing our performance Our responsible actions are widely recognized by stakeholders Syngenta is included in FTSE4Good and Dow Jones Sustainability Indexes 84% of our employees are proud to work for Syngenta Classification: PUBLIC

100. Syngenta Foundation: coordinated focus and execution Classification: PUBLIC Income from agricultural activities Number of land holdings Syngenta focus Large farm holder Medium farm holder Commercial smallholder Subsistence smallholder Foundation focus Landless workers Segmentation for commercial smallholders

101. Classification: PUBLIC