So in the last two years 350 places have been found (or will be found) for chimps in sanctuaries? That's very impressive.
This 2013 article says the chimps "could eventually" go to facilities within "...the Federal Sanctuary System. The Federal Sanctuary System was established in 2002 by the Chimpanzee Health Improvement, Maintenance and Protection (CHIMP) Act and Chimp Haven operates the Federal Sanctuary System, which is overseen by NIH": NIH to reduce significantly the use of chimpanzees in research | National Institutes of Health (NIH) This 2013 article says "NIH officials said that 310 research chimpanzees will move to the national sanctuary at Chimp Haven, in Keithville, Louisiana, or other sanctuaries over the next few years. (About 100 have recently moved or are slated to be transferred later this year from New Iberia Research Center in Louisiana.)": NIH Will Retire Most Research Chimps, End Many Projects | Science/AAAS | News
More on the NIH and stopping the chimp-keeping : Where should US chimpanzees live? | Speaking of Research
