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Recently it was shown that a distance-regular graph in which neighbourhoods of vertices are strongly regular with parameters (99,14,1,2) has intersection array  {99,84,1;1,14,99}, {99,84,1;1,12,99} or {99,84,30;1,6,54}. In the present paper we find possible automorphisms of a graph with the intersection array {99,84,30;1,6,54}. It is shown, in particular, that such a graph is not point-symmetric.

On automorphisms of a distance-regular graph with intersection array {99, 84, 30; 1, 6, 54}