We study the asymptotic extreme value behaviour of standardized sequential
empirical processes that are tied down at the points (0, 0) and (1, 1). The
se types of empirical processes arise naturally ill the context of change-p
oint, analysis. We relate their asymptotic behaviour to the extreme value d
istribution of a two parameter Ornstein-Uhlenbeck process over a sequence o
f expanding subsets of the unit square [0, 1](2).