317 Additional information ■ Supervision 318 ■ Risk factors  318 ■ Property, plants and equipment 334 ■ Employees and labor relations  334 ■ Dividend policy 335 ■ The offer and listing 336 ■ Additional company information 337 ■ Memorandum and Articles of Association  337 ■ Material contracts  339 ■ Exchange controls  339 ■ Taxation 339 ■ Principal accountant fees and services  346 ■ Purchases of equity securities by the issuer  and affiliated purchasers 347 ■ Quarterly results – unaudited  348 ■ Glossary 349 ■ Disclaimer 354