Aflac, a provider of supplemental insurance to individuals in the United States and Japan,agreed to acquire a 9% stake in Trupanion, a provider of pet health insurance services, for $200m. Under the alliance agreement, Aflac will provide access to agent, broker and direct to consumer platform distribution and assistance in worksite product design, marketing and enrollment support. Trupanion will provide marketing, underwriting, and policy administration, including all aspects of policyholder support.