Trend Table for NL - NL Industries, Inc.

Current Trend Strength: Weak or Absent

Date	Grade	ADX	Long Term	Intermediate Term	Short Term	% Chg
Apr 21	F	Weak or Absent	Down	Down	Down	40.58%
Apr 20	F	Weak or Absent	Down	Down	Flat	40.37%
Apr 19	D	Weak or Absent	Down	Down	Up	38.65%
Apr 18	D	Weak or Absent	Down	Down	Up	38.03%
Apr 17	D	Weak or Absent	Down	Down	Up	37.81%
Apr 14	D	Strong	Down	Down	Up	38.65%
Apr 13	D	Strong	Down	Down	Up	38.03%
Apr 12	D	Strong	Down	Down	Up	39.29%
Apr 11	D	Strong	Down	Down	Up	40.80%
Apr 10	D	Strong	Down	Down	Up	41.46%